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   Becoming a teacher demands not only knowledge in an academic field but also a personal commitment to lifelong learning, and enthusiasm for sharing knowledge with other people. To become one of those noble educators in the USA, one has to satisfy several basic requirements.

   First and foremost, it is a prerequisite to have bachelor's degree in education. In the event that a candidate already has a bachelor's degree in another field, a teacher preparation program is needed. But that is not all. Almost every school in the USA understands that real classroom teaching experience is a vital part of a teacher's training. Before taking over a class, a person typically needs to complete a training program, including working as a supervised student teacher.

   People who want to become university teachers need master's degrees. Getting a master's degree is a necessity, but if it is gained too early, there may be concerns that the candidate lacks the real-world experience to go with it. In fact, very few schools want to hire novices with little or no classroom experience and even if they are accepted, they are usually ill-paid. One wise solution to the issue is for future post graduates to start working as teachers before going on to gain their master's degree.

   Besides knowledge and experience, certain personal qualities are also required. A teacher should be positive, prepared, focused, and most importantly, patient. Being a teacher involves being aware of the fact that learning sometimes be hard work, even for the most motivated students. Also, teaching can at times be tiring and frustrating, so teaching candidates have to practice being patient with themselves. In short, as in other careers, teaching requires a combination of qualifications, experience, and personal qualities. Teaching candidates meeting mandatory requirements are always in demand in the USA.

According to the text, all of the following sentences are true EXCEPT _____.

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We live in a world of tired, sleep deprived people. In his book Counting Sheep, Paul Martin - a behavioural biologist - describes a society which is just too busy to sleep and which does not givesleeping the importance it deserves.
Modern society has invented reasons not to sleep. We are now a 24/7 society where shops and services must be available all hours. We spend longer hours at work than we used to, and more time getting to work. Mobile phones and email allow us to stay in touch round the clock and late-night TV and the Internet tempt us away from our beds. When we need more time for work or pleasure, the easy solution is to sleep less. The average adult sleeps only 6.2 hours a night during the week, whereas research shows that most people need eight or even eight and a half hours' sleep to feel at their best.
Nowadays, many people have got used to sleeping less than they need and they live in an almost permanent state of 'sleep debt'.
Until the invention of the electric light in 1879 our daily cycle of sleep used to depend on the hours of daylight. People would get up with the sun and go to bed at nightfall. But nowadays our hours of sleep are mainly determined by our working hours (or our social life) and most people are woken up artificially by an alarm clock. During the day caffeine, the world's most popular drug, helps to keep us awake. 75% of the world's population habitually consume caffeine, whichup to a point masks the symptoms of sleep deprivation.
What does a chronic lack of sleep do to us? As well as making us irritable and unhappy as humans, it also reduces our motivation and ability to work. This has serious implications for society in general.
Doctors, for example, are often chronically sleep deprived, especially when they are on 'night call', and may get less than three hours' sleep. Lack of sleep can seriously impair their mood, judgment, and ability to take decisions. Tired engineers, in the early hours of the morning, made a series of mistakes with catastrophicresults. On our roads and motorways lack of sleep kills thousands of people every year. Tests show that a tired driver can be just as dangerous as a drunken driver. However, driving when drunk is against the law but driving when exhausted isn't. As Paul Martin says, it is very ironic that we admire people who function on very little sleep instead of criticizing them for being irresponsible. Our world would be a much safer, happier place if everyone, whatever their job, slept eight hours a night.

All of the following are mentioned as those whose performance is affected by 'sleep debt' EXCEPT     .

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Line Europeans who arrived in the Americas, the first American Indians were immigrants. Because Indians were nomadic hunters and gatherers, they probably arrived in search of new hunting grounds from Asia when they crossed the ice-covered Bering Strait to Alaska. Anthropologists estimate that the entire Indian population north of Mexico was slightly greater than 1,020,000 when the first settlers arrived from Europe. Although Native Americans belonged to one geographic race, their cultures and languages were only marginally similar, and by and large, they had different ways of life. Nomadic migrations required Indians to construct shelters that did not need to be transported, but could be easily erected from the materials found in their new location.
Eastern Woodland Indian tribes lived in bark-covered wigwams that were shaped like cones or domes. The frame for the hut was made of young trees firmly driven into the ground, and then bent overhead to tie together with bark fibers or strings of animal hides. Sheets and slabs of bark were attached to the frame to construct the roof and walls, leaving an opening to serve as a door and to allow smoke to escape. The Iroquois in north eastern regions built longhouses that were more spacious than wigwams because five to a dozen families lived under one roof. During the winter, they plastered clay to the poles of the frame to protect the inhabitants from wind and rain.
Pueblo Indians who lived in the southwest portion of the United States in northern Arizona and New Mexico constructed elaborate housing with several stories and many rooms. Each family unit had only one room, and their ancestors dug shelters in the walls of cliffs and canyons. The ground story of a Pueblo dwelling had no doors or windows in order to prevent enemies from entering. The next level was set back the width of one room, and the row of rooms above it was set back once again, giving their houses the appearance of a terrace Pueblos used ladders to climb to the upper levels and pulled them in when all family members returned for the night.
Indians living in deserts used sandstone and clay as construction materials. Those who lived in the valleys of rivers even made bricks of clay with wood chips to add strength and to prevent the clay from cracking. To make roofs, Pueblos tied logs together to make rafters and laid them across the two outside walls. On top of the rafters, layers of tree branches, sticks, grass, and brush created a solid roof to preclude the water from leaking inside. Pueblo dwellings were dark because windows were often not large enough to allow much light.

What was the main difference between the dwelling of Pueblo and Woodland Indians?

Read the passage carefully and choose the correct answer.

Vietnam is a densely-populated and developing country that in the last 30 years has had to recover from the ravages of war. Substantial progress was achieved from1986 to 1997 in moving forward from an extremely low level of development and significantly reducing poverty.

Since 2001, Vietnamese authorities have reaffirmed their commitment to economic liberalization and international integration. They have moved to implement the structural reforms needed to modernize the economy and to produce more competitive, export-driven industries…

Vietnam's membership in the ASEAN Free Trade Area (AFTA) and entry into force of the US-Vietnam Bilateral Trade Agreement in December 2001. have led to even more rapid changes in Vietnam's trade and economic regime. Vietnam's exports to the US doubled in 2002 and again in 2003.

Vietnam joined the WTO (World Trade Organization) in January 2007, following over a decade long negotiation process. This should provide ail important boost to the economy and should help to ensure the continuation of liberalizing reforms.

Vietnam is working to create jobs to meet the challenge of a labor force that is growing by more than one million people every year. Vietnamese authorities have tightened monetary and fiscal policies to stem high inflation. Hanoi is targeting an economic growth rate of 7. 5-8% during the next five years.

Vietnam's economy is _______.

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Working on the computer is very tough on your body, which is not used to this modem type of work. Sitting has long been known to cause back pain and negatively influence circulation, which can promote cardiovascular disease. Extensive use of the keyboard and mouse can lead to stiffening of the muscles in your hands, arms, and neck. Staring at a bright screen for too long can cause dry eyes and headaches. So, computer work can be as unhealthy a job as you can imagine.
First and foremost, sitting for long stretches of time is a very serious health risk! Sitting affects your blood circulation, your back experiences a steady stress, you are more likely to drink and eat stuff that isn’t good for you, and you bum very little calories, making it more likely that you overeat. As a result, sitting contributes to a host of conditions, most notably gaining weight, diabetes, heart disease, cancer, and consequently a shortened life span.
Second, bad posture causes pain. You can develop bad posture from anything you do habitually, whether it’s sitting, standing, or walking. The typical consequences associated with bad posture while working on the computer are pain in the back, shoulder, and neck, often resulting in tension headaches.
Third, staring at the screen causes eve strain. Staring at a bright screen for hours can lead to eye fatigue or eye strain, headaches, blurred vision, burning, itching or tearing eyes, and temporary vision disorders. Fortunately, eye strain rarely results in a permanent condition and symptoms can be prevented or cured rather easily.
Last, but not least, emotional pressure and isolation cause anxiety and depression. Computers are very efficient tools in that they help us with getting more work done in less time. At the same time, you spend less face-to-face time with your colleagues, family, or friends. This can lead to isolation, anxiety, and depression, i.e. both physical and mental health issues. The symptoms are manifold and can include tense muscles, back pain, headaches, poor sleep (insomnia), increased or flat breathing, quickened pulse, and generally signs of stress, depression, or anxiety.

According to the passage, human body is NOT     working on the computer.

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The problem of cardiac arrest has become a major problem these days. A lot of patients have acute pain after suffering from a stroke. There are plenty of medicines, surgical methods developed in the field of medicine to treat such cardiac problems. These solutions are time consuming and costly. In the process of rehabilitation, the medicines also have a lot of side effects on the human body and take time to give relief. Therefore, a lot of people go for alternative therapies that help in rehabilitation of patients who suffer from cardiac stroke. The alternative therapies help in relieving pain, stress and make the body healthy and fit through exercise, yoga as well as meditation.
Those who have the cardiac complaint have to take a good care of their diet.
Also, they must look after their regular exercise in order to stay fit and make sure that they do not take undue stress. These are some of the precautions that you need to take while you are in the process of rehabilitation. The cardiac rehabilitation can be carried out at the rehabilitation centers as well as at the residence of the patients. Once the patient learns all the exercise and techniques of meditation and understands what diet he or she should include in their meals as the instructions of the doctor’s and dieticians, then it is possible to accomplish the rehabilitation process at home with little guidance and monitoring. But the best results are seen at the center, where the program is given to a group of patients together.
The alternative therapies used for cardiac rehabilitation are stress management, physical exercises and diet. Stress management is very much essential in the rehabilitation process because it has a lot of effects on the patient’s body. A lot of relaxation techniques are taught to the patients that helps them in stress management, among them meditation is one of the main focuses.
The various rehabilitation programs also give you information on how to have a stress free lifestyle. The patients are supported and encouraged to discuss their problems with the counselor or fellow patients. This helps them to vent their feelings and feel comforted. Breathing exercises are also of great help for the patients who are undergoing cardiac rehabilitation.
In addition to stress management, physical exercises are also given a lot of importance in the rehabilitation program. The patients are asked to perform various forms of physical exercise which are suitable to them depending on their age and the severity of their problems. These activities include activities like walking, jogging, cycling, and some other sports like badminton, tennis etc., to maintain their health and keep their muscles, bones, and body tissues in a good state. Cardio exercise in a gymnasium is also encouraged. This helps in strengthening the muscles and managing weight.
The diet of these patients also needs to be looked upon very carefully. Such people should stay away from alcohol and tobacco consumption in order to improve their health. Make sure that their meals include plenty of organic foodstuffs as well as fruits and juices. Do not include junk and oily foodstuffs in your diet because they are very difficult to digest. The intake of calories should also be done at required level. It is a significant fact that the patients have to understand and work accordingly.

Which of the following is NOT supported by the passage?

It's called 42 - the name taken from the answer to the meaning of life, from the science fiction series The Hitchhiker's Guide to the Galaxy. 42 was founded by French technology billionaire Xavier Niel, whose backing means there are no tuition fees and accommodation is free. Mr Niel and his co-founders come from the world of technology and start-ups, and they are trying to do to education what Facebook did to communication and Airbnb to accommodation.
Students at 42 are given a choice of projects that they might be set in a job as a software engineer - perhaps to design a website or a computer game. They complete a project using resources freely available on the Internet and by seeking help from their fellow students, who work alongside them in a large open-plan room full of computers. Another student will then be randomly assigned to mark their work.
The founders claim this method of learning makes up for shortcomings in the traditional education system, which they say encourages students to be passive recipients of knowledge. "Peer-to-peer learning develops students with the confidence to search for solutions by themselves, often in quite creative and ingenious ways."
Like in computer games, the students are asked to design and they go up a level by completing a project. They graduate when they reach level 21, which usually takes three to five years. And at the end, there is a certificate but no formal degree. Recent graduates are now working at companies including IBM, Amazon, and Tesla, as well as starting their own firms.
"The feedback we have had from employers is that our graduates are more apt to go off and find out information for themselves, rather than asking their supervisors what to do next," says Brittany Bir, chief operating officer of 42 in California and a graduate of its sister school in Paris. Ms Bir says 42's graduates will be better able to work with others and discuss and defend their ideas - an important skill in the “real world” of work. "This is particularly important in computer programming, where individuals are notorious for lacking certain human skills," she says. 
But could 42's model of teacher less learning work in mainstream universities? Brittany Bir admits 42's methods do not suit all students. "It suits individuals who are very disciplined and self-motivated, and who are not scared by having the freedom to work at their own pace," she says.

The author mentions “to design a website or a computer game” in paragraph 2 to illustrate ............

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The pain of a migraine headache can virtually disable a person who suffers from it. Millions and millions of people suffer from migraines, although many of them do not even recognize that a migraine is different from a regular headache. A migraine is not at all the same as a normal headache, and it seems to have a very physical cause.
One symptom of a migraine is a precursor, which is a visual aura before an attack. Yet only about a third of patients actually experience that, and it is therefore not a requirement in the diagnosis. Other symptoms include increased pain when a person moves, nausea, and sensitivity to light and sound. Scientists now believe that migraines are caused, not by abnormal blood vessels as previously believed, but instead by a unique electrical disorder of brain cells. Physicians used to treat migraines with medicine to constrict blood vessels because of the belief that dilated blood vessels were the cause.
The new research has been enhanced by imaging devices that allow scientists to watch patients' brains during an attack. The results show that sufferers have abnormally excitable neurons, or brain nerve cells. Prior to the attack, the neurons suddenly fire off electrical pulses at the back of the brain, which ripple like waves on a lake after a stone hits the water. They ripple across the top and then the back of the brain, ultimately affecting the brain stem where the pain centers are located. The pain then generates possibly from the brain stem itself or from blood vessels inflamed by the rapidly changing blood flow, or perhaps from both.
Scientists have experimented by applying a powerful magnet to stimulate the neurons and discovered that some people's brains react differently than others'. When stimulation was applied to the brains of people who had suffered migraines, they saw the initial aura, and some actually suffered migraines. When the same stimulation was applied to the brains of people who had never suffered migraines, they realized no effect and the neurons showed no change.
Scientists and doctors continue to work on the research in an attempt to find the perfect treatment. It is considered important to treat migraines because it is believed that prolonged untreated attacks could cause physical changes in the brain leading to chronic pain.

The new research indicates that the neurons in the brain of migraine sufferers

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A gesture is an action that sends a message from one person to another without using words. We use gestures to communicate with others. There are some gestures that have completely different meaning depending on when and where they are used.
When an American wants to show that something is OK. or good, he raises his hand and makes a circle with his thumb and foreigners. The circle sign has only one meaning for him. He might be surprised to learn that in other countries it can mean something different. In Japan, for instance, it is the gesture for money. In France, it means 'zero' or 'worthless'. Such differences can lead to all kinds of misunderstanding when foreigners meet. But why is it that the same gesture has so many different meanings?
When some people want to show that something is exact or precise, they make a sign to show that they are holding something between the tips of their thumb and forefinger. Many people from all over the world do this when they want to make a specific point as they are speaking. People later started using this signal to mean 'exactly right' or 'perfect'. This was how the famous OK was bom.
In Japan, money means coins and coins are around. Therefore, making a round hand sign came to represent money. It is simple as that. The French sign for 'nothing' or 'worthless' also has a simple origin. This time the circle doesn't represent a coin, but nought. Nought equals zero, zero equals nothing, nothing equals worthless.

Where does the famous sign OK come from?

Of all the aspirations which make up the American Dream, perhaps the most prominent is to own one’s own home. Americans are very proud of their homes and spend a great deal of time maintaining their houses and keeping the property in good condition. A man's home is often called his castle, and the hours spent keeping his fortress safe and secure become one of his greatest pleasures.
If a home is in an especially fashionable neighborhood, the owners may consult an interior decorator to give the home a certain coordinated appearance. If there is a large back yard, great care may be spent in having it properly landscaped with exotic trees, shrubs and plants.
It is almost a certainty that you should be the first visitor to an American home, you will be taken on a grand tour of the premises. The owner will take great pride in showing to you the place he calls home. Every closet, every cabinet and closed door will be opened so that you can actually see the extent and value of his home. You will even be taken into the father's den and the mother's sewing room. These are special rooms for the respective man and woman of the house to insure their privacy. They may be off-limits to the rest of the family but, for the visitor they are open to scrutiny and inspection.
It is, of course, considered polite on the tour to comment favorably on each room picking out its most salient, important feature, such as the special view from the window, the vaulted ceiling in the foyer or the exotic choice of wallpaper in the bathroom.
The finished basement is a special cause for pride for the family with its exercise room, video games, carpenter shop and launderette. In most homes it is here that the family entertains itself in the evening while the rest of the house becomes more of a showcase. On your tour you may be reminded of the hours the owners had spent "fixing up the house" so it would be "nice for the kids to bring over their friends". You may even sense a feeling of competition in knowing that they have not only "kept up with the Joneses" but also have far surpassed them.
The tour will terminate after an hour or so somewhere on the back lawn next to the two-car air- conditioned garage where you may be treated to a snack and light refreshment.
Showing off one's home is more than an exercise in vanity. It is a tribute to one's accomplishment. It is a way of saying that a man has been a good provider for his family and that he has realized one of his dreams.

What is the ultimate purpose in showing off one’s home to friends?

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Washington was the first city in history to be created solely for the purpose of governance. Following the Revolution, members of Congress had hotly debated the question of a permanent home for themselves and for those departments – the Treasury, the Patent Office and so on – which even the sketchiest of central governments would feel obliged to establish. In 1790, largely in order to put an end to congressional bickering, George Washington was charged with selecting a site for the newly designated federal district. Not much to anyone’s surprise but to the disappointment of many he chose a tract of land on the banks of the Potomac River, a few miles upstream from his beloved plantation Mount Vernon.
The District of Columbia was taken in part from Virginia and in part from Maryland. At the time it was laid out, its hundred square miles consisted of gently rolling hills, some under cultivation and the rest heavily wooded, with a number of creeks and much swampy land along the Potomac. There is now a section of Washington that is commonly referred to as Foggy Bottom; that section bore the same nickname a hundred and eighty years ago.
Two ports cities, Alexandria and Georgetown, flourished within sight of the new capital and gave it access by ship to the most important cities of the infant nation – Charleston, Baltimore, Philadelphia, New York, Newport, Salem and Portsmouth – and also to the far-off ports of England and the Continent.

The word “hotly” in paragraph 1 is closet in meaning to     .

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Cyclones in India, hurricanes in the Caribbean - severe weather events make news headlines almost weekly. Yet even in Britain, which has comparatively few climate extremes, the country is still governed by weather. If it’s pouring with rain the British might stay indoors or go to the cinema; if it’s fine they’ll have a picnic.
Most people nervously study the weather forecast the evening before if they’ve got an important appointment the following day. Even if they have nothing planned, the weather often affects their mood.
For individuals, the worst that can usually happen if the weather catches them on the hop is that they get wet. For business, the effects are far more serious. Airlines and shipping companies need to avoid severe weather and storm-force conditions. Power companies need to make sure they can supply the demand for electricity in cold weather; farmers plan their harvests around the forecast and food manufacturers increase their production of salads and other summer foods when fine weather is promised.
So who or what do meteorologists - weather forecasters as they are more commonly known - rely on when it comes to producing a forecast? Ninety percent of the information comes from weather satellites, the first of which was launched into space nearly forty years ago and was a minor revolution in the science of forecasting. Up until then, forecasters had relied on human observers to provide details of developing weather systems. As a result, many parts of the world where there were few humans around, especially the oceans, were information-free weather areas. Today, however, satellites can watch weather patterns developing everywhere.
In the UK meteorologists have also relied on releasing four weather balloons a day from eight fixed sites. These balloons measure wind, temperature and humidity as they rise upwards to a height of about 26,000 metres.
Some commercial aircraft can also be fitted with a range of forecasting instruments although this  system has certain disadvantages. For example, it can provide a great deal of information about the weather on popular routes, such as London to New York, but little about the weather on more out-of-the way routes.
Instruments aboard ships can also supply basic weather information as well as important data on wave height. Generally, the range of these instruments is fairly limited but they can indicate which direction rain is coming from, how low the cloud is and give an idea of when the weather system will reach land.
One forecaster who has made a name for himself is a man called Piers Corbyn, who bases his forecasts on watching the Sun. Most forecasters will offer forecasts for only 10 days ahead, but Corbyn’s forecasts are for 11 months. Although most meteorologists believe that there is no scientific basis for his work, Corbyn’s forecasts are used by insurance companies who want to plan months in advance.

Why is the first weather satellite described as a “minor revolution” in paragraph 4?

Being aware of one's own emotions - recognizing and acknowledging feelings as they happen - is at the very heart of Emotional Intelligence. And this awareness encompasses not only moods but also thoughts about those moods. People who are able to monitor their feelings as they arise are less likely to be ruled by them and are thus better able to manage their emotions.
Managing emotions does not mean suppressing them; nor does it mean giving free rein to every feeling. Psychologist Daniel Goleman, one of several authors who have popularized the notion of Emotional Intelligence, insisted that the goal is balance and that every feeling has value and significance. As Goleman said, "A life without passion would be a dull wasteland of neutrality, cut off and isolated from the richness of life itself." Thus, we manage our emotions by expressing them in an appropriate manner. Emotions can also be managed by engaging in activities that cheer us up, soothe our hurts, or reassure us when we feel anxious.
Clearly, awareness and management of emotions are not independent. For instance, you might think that individuals who seem to experience their feelings more intensely than others would be less able to manage them. However, a critical component of awareness of emotions is the ability to assign meaning to them - to know why we are experiencing a particular feeling or mood. Psychologists have found that, among individuals who experience intense emotions, individual differences in the ability to assign meaning to those feelings predict differences in the ability to manage them. In other words, if two individuals are intensely angry, the one who is better able to understand why he or she is angry will also be better able to manage the anger.
Self-motivation refers to strong emotional self-control, which enables a person to get moving and pursue worthy goals, persist at tasks even when frustrated, and resist the temptation to act on impulse. Resisting impulsive behavior is, according to Goleman, "the root of all emotional self- control."
Of all the attributes of Emotional Intelligence, the ability to postpone immediate gratification and to persist in working toward some greater future gain is most closely related to success - whether one is trying to build a business, get a college degree, or even stay on a diet. One researcher examined whether this trait can predict a child's success in school. The study showed that 4-year-old children who can delay instant gratification in order to advance toward some future goal will be "far superior as students" when they graduate from high school than will 4-year-olds who are not able to resist the impulse to satisfy their immediate wishes.

According to paragraph 5, children might be more successful in school if they can resist impulses because they can  ...........

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The traditional definition of literacy is considered to be the ability to read and write, or the ability to use language to read, write, listen, and speak. In modern contexts, the word refers to reading 4 and writing at a level (1)......... for communication, or at a level that lets one understand and communicate ideas in a literate society so as to take (2)....... in that society. The United Nations Educational, Scientific and Cultural Organization (UNESCO) has drafted the following definition: “Literacy is the ability to identify, understand, interpret, create, communicate and compute, using printed and written materials associated with varying contexts. Literacy involves a continuum of learning to enable an individual to achieve his or her goals, to develop his, or her knowledge and potential, and to participate fully in the wider society.”
Many policy analysts consider literacy rates a crucial measure of a region’s human capital. This claim is made on the (3)........ that literate people can be trained less expensively than illiterate people, generally have a higher socio-economic status and enjoy better health and employment prospects. Policy makers also argue that literacy increases job opportunities and access to higher education. In Kerala, India, for example, female and child mortality rates declined (4)......... in the 1960s, when girls who were educated in the education reforms after 1948 began to raise families. Recent researchers, (5)........., argue that correlations such as, the one listed above may have more to do with the effect of schooling rather than literacy in general.
(5)..............................

Choose the best answer: 
By the time we (1)________old age most of us have (2)________twenty years sleeping. Yet nobody knows why we do it. Most scientists believe that by resting our bodies, we allow time for(3) ________ maintenance work to be done. Any (4)________that there is can be put right more quickly if energy isn’t being used up doing other things. Sleep is controlled by certain chemicals. These build up during the day, eventually reaching peaks that cause tiredness. We can control the effects of these chemicals to some extent. Caffeine helps to (5)________ us awake while alcohol and some medicines make us sleepy. By using electrodes, scientists are able to (6)________what goes on in people’s heads while they sleep. They have (7)________that when we first drop off everything slows down. The heart (8)_______more slowly and our breathing becomes shallow.
After about 90 minutes our eyes start to twitch and we go into what is called REM (Rapid Eye Movement) sleep, which is a (9)________that we’ve started to dream .You have dreams every night, even if you don’t remember them. There are many theories
about why we dream, none of them conclusive. A lot of people say they have to have eight hours’ sleep every night while others seem to (10)________on a lot less. One thing’s for sure – we all need some sleep. Going without it can have some very strange effects.

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Vitamins, taken in tiny doses, are a major group of organic compounds that regulate the mechanisms by which the body converts food into energy. They should not be confused with minerals, which are inorganic in their makeup. Although in general the naming of vitamins followed the alphabetical order of their identification, the nomenclature of individual substances may appear to be somewhat random and disorganized. Among the 13 vitamins known today, five are produced in the body. Because the body produces sufficient quantities of some but not all vitamins, they must be supplemented in the daily diet. Although each vitamin has its specific designation and cannot be replaced by another compound, a lack of one vitamin can interfere with the processing of another. When a lack of even one vitamin in a diet is continual, a vitamin deficiency may result.
The best way for an individual to ensure a necessary supply of vitamins is to maintain a balanced diet that includes a variety of foods and provides adequate quantities of all the compounds. Some people take vitamin supplements, predominantly in the form of tablets. The vitamins in such supplements are equivalent to those in food, but an adult who maintains a balanced diet does not need a daily supplement. The ingestion of supplements is recommended only to correct an existing deficiency due to unbalanced diet, to provide vitamins known to be lacking in a restricted diet, or to act as a therapeutic measure in medical treatment. Specifically, caution must be exercised with fat-soluble substances, such as vitamins A and D, because, taken in gigantic doses, they may present a serious health hazard over a period of time.

The phrase “daily diet” is closest in meaning to

For a time, the Hubble telescope was the brunt of jokes and subject to the wrath of those who believed the U.S government had spent too much money on space projects that served no valid purpose. The Hubble was sent into orbit with a satellite by the Space Shuttle Discovery in 1990 amid huge hype and expectation. Yet after it was in position, it simply did not work. Because the primary mirror was misshapen, it was not until 1993 that the crew of the Shuttle Endeavor arrived like roadside mechanics, opened the hatch that was installed for the purpose, and replaced the defective mirror with a good one.
Suddenly, all that had originally been expected came true. The Hubble telescope was indeed the “window on the universe”, as it had originally been dubbed. When you look deep into space, you are actually looking back through time, because even though light travels at 186,000 miles a second, it requires time to get from one place to another. In fact, it is said that in some cases, the Hubble telescope is looking back eleven billion years to see galaxies already forming. The distant galaxies are speeding away from Earth, some travelling at the speed of light.
Hubble has viewed exploding stars such as the Eta Carinae, which clearly displayed clouds of gas and dust billowing outward from its poles at 1.5 million miles an hour. Prior to Hubble, it was visible from traditional telescopes on Earth, but its details were not as certainable. But now, the evidence of the explosion is obvious. The star still burns five million times brighter than the Sun and illuminates clouds from the inside.
Hubble has also provided a close look at black holes, which are described as comic drains. Gas and dust swirl around the drain and are slowly sucked in by the incredible gravity. It has also looked into an area that looked empty to the naked eye and, within a region the size of a grain of sand, located layer upon layer of galaxies, with each galaxy consisting of billions of stars.
The Hubble telescope was named after Edwin Hubble, a 1920s astronomer who developed a formula that expresses the proportional relationship of distances between clusters of galaxies and the speeds at which they travel. Astronomers use stars known as Cepheid variables to measure distances in space. These stars dim and brighten from time to time, and they are photographed over time and charted. All the discoveries made by Hubble have allowed astronomers to learn more about the formation of early galaxies.

The word “billowing” in the third paragraph is closest meaning to ..........

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions:
Footracing is a popular activity in the United States. It is seen not only as a competitive sport but also as a way to exercise, to enjoy the camaraderie of like–minded people, and to donate money to a good cause. Though serious runners may spend months training to compete, other runners and walkers might not train at all. Those not competing to win might run in an effort to beat their own time or simply to enjoy the fun an exercise. People of all ages. From those of less than one year (who may be pushed in strollers) to those in their eighties, enter into this sport. The races are held on city streets, on college campuses, through parks, and in suburban areas, and they are commonly 5 to 10 kilometers in length.
The largest footrace in the world is the 12 kilometer Bay to Breakers race that is held in San Francisco every spring. This race begins on the east side of the city near San Francisco Bay and ends on the west side at the Pacific Ocean. There may be 80,000 or more people running in this race through the streets and hills of San Francisco. In the front of are the serious runners who compete to win and who might finish in a little as 34 minutes. Behind them are the thousands who take several hours to finish. In the back of the race are those who dress in costumes and come just for fun. One year there was a group of men who dresses like Elvis Presley, and another group consisted of the firefighters who were tired together in a long line and who were carrying a firehose. There was even a bridal party, in which the bride was dressed in a long white gown and the groom wore a tuxedo. The bride and groom threw flowers to bystanders, and they were actually married at some point along the route.

In what lines does the author give reasons for why people enter footraces?

Read the following passage and choose among A, B, C or D the correct answer to each of the questions.

There has been much debate over the past few decades concerning fears that nation will

lead to robots replacing human workers on a massive scale.

The increasing use of robotics, computers and artificial intelligence is a reality, but its full

implications are far from cut and dried. Some forecasts present the future in a utopian way,

claiming that robots will take over the tedious heavy work thus freeing up human time and

potential, allowing for more creativity and innovation,  the other end of spectrum are those who

foresee an employment apocalypse, predicting that almost fifty percent of all American jobs

could vanish within the next few decades. Former Microsoft chairman Bill Gates states that in 20

years robots could be in place in a number of job categories, particularly those at lower end of

the scale in terms of skills. The bottom line is that while the future is always uncertain, robots are a fixture of our society, which is not going to disappear. As with the Industrial Revolution, where machines were utilized in many tasks in place of manual laborers and social upheaval followed, the Digital Revolution is likely to place robots in various jobs. In spite of that, many of today's jobs were not in existence before the Industrial Revolution, such as those of programmers, engineers and data scientists. This leads other experts to criticize this alarmist approach of robot scare-mongering, which is invariably compared to the 19th -century "Luddites". This group was textile workers who feared being displaced by machines and resorted to violence, burning down factories and destroying industrial equipment - their rejection of inevitable progress has come to symbolize mindless ignorance.

Needless to say, exactly what new kinds of jobs might exist in the future is difficult to envision at present. Therefore, the crux of the issue is not whether jobs will be lost, but whether the creation of new vacancies will outpace the ever-increasing number of losses and what skills will be required in the future.

It is clearly not all doom and gloom, as demand for employees with skills in data analysis, coding, computer science, artificial intelligence and human-machine interface is rising and will continue to do so. Furthermore, the demand for skills in Jobs where humans surpass computers, such as those involving care, creativity and innovative craftmanship, are likely to increase considerably. Ultimately, the key lies in the adaptation of the workforces, through appropriate education and training, to keep pace with our world's technological progress.

What do optimists predict technology will allow?

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage:

"Quite apart from the economic similarity between present-day automation and the mechanization which has been proceeding for centuries, it must also be stressed that even in the United States automation is by no means the only factor (1)….. people from existing jobs.
 The increasing number of unneeded workers in (2)…. years has been the result of much more simple and old-fashioned influences: farm labourers have been (3)…. out of work by bigger tractors, miners by the cheapness of oil, and railwaymen by better roads.
 It is quite wrong, therefore, to think of automation as some new monster whose arrival (4)…. the existence of employment in the same way that the arrival of myxomatosis threatened the existence of the rabbit. Automation is one (5)….. of technological change, which itself is only one of the several changes (changes in tastes, changes in social patterns, changes in organization) which (6)…. in certain jobs disappearing and certain skills ceasing to be required. And even in America, which has a level of technology and output per (7)…. much in (8)….. of Britain’s, there is no (9)…. that the (10)….  of change is actually speeding up.
 Nevertheless changes in the amount of labour needed to produce a certain output are proceeding fairly rapidly in America - and in other countries - and my proceed more rapidly in future. Indeed it is one of the main objects of economic policy."

10. that the (10)….  of change is actually speeding up.

Being aware of one's own emotions - recognizing and acknowledging feelings as they happen - is at the very heart of Emotional Intelligence. And this awareness encompasses not only moods but also thoughts about those moods. People who are able to monitor their feelings as they arise are less likely to be ruled by them and are thus better able to manage their emotions.
Managing emotions does not mean suppressing them; nor does it mean giving free rein to every feeling. Psychologist Daniel Goleman, one of several authors who have popularized the notion of Emotional Intelligence, insisted that the goal is balance and that every feeling has value and significance. As Goleman said, "A life without passion would be a dull wasteland of neutrality, cut off and isolated from the richness of life itself." Thus, we manage our emotions by expressing them in an appropriate manner. Emotions can also be managed by engaging in activities that cheer us up, soothe our hurts, or reassure us when we feel anxious.
Clearly, awareness and management of emotions are not independent. For instance, you might think that individuals who seem to experience their feelings more intensely than others would be less able to manage them. However, a critical component of awareness of emotions is the ability to assign meaning to them - to know why we are experiencing a particular feeling or mood. Psychologists have found that, among individuals who experience intense emotions, individual differences in the ability to assign meaning to those feelings predict differences in the ability to manage them. In other words, if two individuals are intensely angry, the one who is better able to understand why he or she is angry will also be better able to manage the anger.
Self-motivation refers to strong emotional self-control, which enables a person to get moving and pursue worthy goals, persist at tasks even when frustrated, and resist the temptation to act on impulse. Resisting impulsive behavior is, according to Goleman, "the root of all emotional self- control."
Of all the attributes of Emotional Intelligence, the ability to postpone immediate gratification and to persist in working toward some greater future gain is most closely related to success - whether one is trying to build a business, get a college degree, or even stay on a diet. One researcher examined whether this trait can predict a child's success in school. The study showed that 4-year-old children who can delay instant gratification in order to advance toward some future goal will be "far superior as students" when they graduate from high school than will 4-year-olds who are not able to resist the impulse to satisfy their immediate wishes.

The word "soothe" in paragraph 2 could be best replaced by ..........