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:
Scientists have developed a new bionic computer chip that can be mated with human cells to combat disease. The tiny device, smaller and thinner than a strand of hair, combines a healthy human cell with an electronic circuitry chip. Doctors can control the activity of the cell by controlling the chip with a computer.
It has long been established that cell members become permeable when exposed to electrical impulses. Researchers have conducted genetic research for years with a trial-and-error process of bombarding cells with electricity in an attempt to introduce foreign substances such as new drug treatments or genetic material. They were unable to apply a particular level of voltage for a particular purpose. With the new invention, the computer sends electrical impulses to the chip, which triggers the physicians to open a cell‘s pores with control.
Researchers hope that eventually they will be able to develop more advanced chips whereby they can choose a particular voltage to activate particular tissues, whether they be muscle, bone, brain, or others. They believe that they will be able to implant multiple chips into a person to deal with one problem or more than one problem.

The author indicates that it is expected doctors will be able to     .

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How is global warning affecting you? Many people in the world would not know how to answer this question as they do not see any sort of change in climate. The people who do not notice it tend to live in cities where the climates are already (1) _______. In essence, they mostly live indoors. If it is raining, they stay inside. If it is too cold or too hot, they turn on the heat or their air conditioning (2) _______. For farmers and others who live closer to the land; however, global warming is not something they are (3) _______ from. Although they cannot prove on any given day that the weather, extreme or mild, has anything to do with climate change, they can say over time that things are beginning to seem different. They notice that flowers and other plants are blooming earlier in northern regions of the world’s continents. This causes them to change planting (4) _______ for crops in some cases. (5) _______ farmers are facing more floods and droughts in our country and elsewhere.

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There/ will/ a lot of/ interesting/ activities/ do/ this program.

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'I took the TOEFL. It was really hard.’ ‘ ____ a lot before you took it?’

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Technology, general term for the processes by (1) _______ human beings fashion tools and machines to increase (2) _______ control and understanding of the material (3) _______. The term is derived from the Greek words tekhnē, which refers to an art or craft, and logia, (4) _______ an area of study; thus, technology means, literally, the study, or science, of crafting. Many historians of science argue not only that technology is an essential condition of advanced, industrial civilization (5) _______ also that the rate of technological change has developed its own momentum in recent centuries.

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Have you ever noticed that our machines are getting smaller? Cell phones, cameras, computers and everything else look smaller every year. One kind of new science involves machines that are smaller than we can imagine. The name of this science is nanotechnology. Nanotechnology means doing science, engineering, and technology at a very very small level. In other words, nanotechnology is the science of tiny things. But how tiny is the science of nanotechnology? In nanotechnology, scientists work with things that are the size of a nanometer. One meter has one billion nanometers. Here is another way to describe nanotechnology: it is the science of observing and controlling individual atoms and molecules. Nanotechnology is a new word, but the idea of studying atoms and molecules has existed for a long time. In 1959, an American scientist Richard Phillips Feynman gave a speech in which he claimed that we can see and control molecules and atoms. About ten years later, a Japanese professor came up with the term “nanotechnology”. Because nanotechnology is so new, we are only starting to understand how we can use it. Nanotechnology could be very useful in medicine. In the future, doctors may use nanotechnology to help with organ transplants. An organ transplant is the act of putting an organ into another person’s body. Scientists think that with nanotechnology, they might be able to make a person’s body accept a foreign organ. Nanotechnology might also help doctors fight infections, find diseases in patients, and deliver medicine to the right spot in patients’ bodies. Nanotechnology might also be useful in protecting the environment. It might be able to help us save energy, reduce waste, and keep water clean. For example, nanotechnology might be able to make some materials such as steel stronger. If we have stronger steel, we will be able to use it longer. That way, we can produce less steel and save our resources. Nanotechnology might be useful in so many ways. This science of studying tiny things could change the world.
3. What does the word “_foreign_” in paragraph 4 mean?

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Genetics is the study of hereditary characteristics that are passed down from one generation of living organisms to another. Although farmers have used selective breeding to improve the resilience of crops and animals, it wasn't until the mid-1800s that Gregor Mendel started the science of genetics as we know it today. Following Mendel's methods, scientists have discovered "chromosomes" and "DNA". With the ability to study DNA, scientists were able to study the genetic differences between races. Modern genetics discovered that all humans are descendants of "Mitochondrial Eve," a woman who lived over 150,000 generations have passed, and many subtle differences are now evident. Humans share at least 99% of their genetic makeup. A 1% difference may not seem like much, but when you consider that a chimpanzee shares 98% of human genes, you realize how much a 1% difference makes! Africans are more closely related to Europeans than any other two groups despite the fact that they differ so much in appearance. The biggest genetic differences are found between Africans and the native populations of Nord America (22%). However, it is essential to note that the genetic differences between people of the same race are much greater than the differences between people of different races. This means that the argument which claims that genets differences make one race superior to another is nothing but a tall story. The differences in various populations may also be the result of circumstances rather than genetic makeup. Factors such as climate, diet, health care, education, and employment as well as other socioeconomic factors are all influential. However, there are some traits which are genetic, for example, then is a much higher incidence of sickle cell anemia among black populations that any other population group. Adult African-Americans and Latinos have twice as many cases of diabetes than Caucasians. In the U.S, Latinos suffer more deaths from liver disease than other races. Europeans suffer more from heart disease and cancer. Genes not only affect our susceptibility to disease, they also affect our physical attributes. The Dinka people from the Sudan are considered to be the tallest people with men having an average height of 6ft 3 in, while women hit the big time with an impressive 5ft 3 in. This contrasts sharply with the Pygmy tribes who get the short end of the stick at only about 4ft 11 in tall. Genetic differences may help US to tailor health service to people of different races or to detect life threatening diseases early. However, they are not significant enough to support the claim that one race is superior to another. In fact, our modern scientific understanding of human genetic diversity flit in the face of almost all our social stereotypes.
6. What two factors contribute to the differences between races?

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He last had his eyes tested ten months ago.

Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
Background, in relation to computers, on the screen, the color on which characters are displayed. (1) _______, a white background may be used for black characters. In a windowing environment in which more than one program or document can be available to the user, open but currently inactive (2) _______ are said to be in the background. In the context of operating systems and program execution, background refers to a process, or task, assigned a lower priority in the microprocessor's share of time to tasks other than the task running in the (3) _______. A background process thus often performs (4)_____________ work, such as printing or checking for arriving messages on an electronic mail network, invisibly unless the user requests an update or brings the task to the foreground. (5) _______, only multitasking operating systems are able to support background processing.

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We _________ tasks into three parts so that all members of the group can take part in.

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Rachek Carson was born in 1907 in Springsdale, Pennsylvania. She studied biology in college and zoology at Johns Hopkins University, where she received her master’s degree in 1933. In 1936, she was hired by the US Fish and Wildlife Service, where she worked most of her life.
Carson’s first book, Under the Sea Wind, was published in 1941. It received excellent reviews, but sales were poor until it was reissued in 1952. In that year, she published The Sea Around US, which provided a fascinating look beneath the ocean’s surface, emphasizing human history as well as geology and marine biology. Her imagery and language had a poetic quality. Carson consulted no less than 1, 000 printed sources. She had voluminous correspondence and frequent discussions with experts in the field. However, she always realized the limitations of her non-technical readers.
In 1962, Carson published Silence Spring, a book that sparked considerable controversy. It proved how much harm was done by the uncontrolled, reckless use of insecticides. She detailed how they poison the food supply of animals, kill birds, and contaminate human food. At that time, spokesmen for the chemical industry mounted personal attacks against Carson and issued propaganda to indicate that her findings were flawed. However, her work vindicated a 1963 report of the President’s Science Advisory Committee.

The word “reckless” is closest in meaning to     .

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Microtrends: It’s a Small World After All
In today’s world, it seems like everyone is focused on “the big picture”. However, coming up with large-scale solutions is not always what is needed. Sometimes it pays to think small – and that is exactly what many people are doing these days. By thinking small, lots of big minds have created some pretty amazing things. One example of this is microloans. Microloans are tiny loans, in some cases just a few dollars, which are available to people in developing countries. Although this may not seem like a lot of money, microloans can help workers to escape poverty and start their own businesses. The person behind the modern microloan movement is a Bangladeshi man named Muhammad Yunus. He started the project in the 1970s by offering villagers low-interest loans using his own money. Yunus wanted to offer poor people access to small loans so they wouldn’t be forced to turn to gangsters if they needed funds. In 1983, he founded the Grameen Bank and soon after, similar organizations started popping up around the globe. Although there are still some issues with microloans, at the very least they offer everyone the potential of becoming an entrepreneur. For most of the 20th century, companies required large sums of money and plenty of manpower to compete at the highest levels. In the late 1990s, the Internet changed this and many microenterprises came about. Microenterprises are smaller companies that employ less than 10 people and only require small sums of money to start. Being small offers lots of flexibility to these companies as they can react more quickly than corporate giants when a business opportunity arises. Many technology companies that produce mobile apps and websites fall into this category. Keep in mind that having a small staff doesn’t mean small profits, as microenterprises can earn hundreds of millions of dollars per year. Thinking small can also lead to a tremendous improvement in quality. One example of this is microbreweries, which are smaller-sized breweries that produce far less beer than traditional breweries. Since microbreweries don’t have to target large markets and make millions of sales to stay open, they can monitor the brewing process carefully to make sure everything is perfect. In addition, microbreweries can experiment with unique flavours that many traditional brewers would shy away from. So the next time you are asked to “think big”, remember that good things may also come in small packages.
5. The type of businesses which is most interested in microloans may be _________

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Faster processors and advances in memory technology have made today’s smartphones much more powerful than a lot of computers from just a decade ago. With wireless technology, people can surf the internet, play online games, send e-mail, and do (1)_________ all the things they once could only do on a computer. (2)__________, they have the power to do things constantly at their fingertips. Many people (3)_________ that while smartphones are powerful tools, they are making people reliant on them. Why would a person need to learn to read a map when he can get directions to anywhere by simply asking his phone a question? Who needs to learn maths when you have immense calculating power in your pocket at all times? What (4)__________ is there to memorise facts about history, art, or geography when that information is readily available from a portable Internet interface? There are just some of the questions being asked and answered as smartphone usage continues to spread. Like any technology, smartphones have their advantages, but they do have disadvantages as well that we must (5)__________ an eye on.

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Conservation, sustainable use and protection of (1) _______ resources including plants, animals, mineral deposits, soils, clean (2) _______, clean air, and fossil fuels such as coal, petroleum, and natural gas. Natural (3) _______ are grouped into two categories, renewable and nonrenewable. A (4) _______ resource is one that may be replaced over time by natural processes, (5) _______ fish populations or natural vegetation, or is inexhaustible, such as solar energy.

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Getting Curious about Curiosity’s Mission to Mars
The topic of space exploration reached a high point during the 1960s, as Soviets and Americans competed for dominance. Yet after the Soviets put the first man in space and Americans landed the first men on the moon, many people lost interest as nothing else could compare to these groundbreaking accomplishments. Recently, a robotic rover on a mission to Mars has generated massive interest the public. Curiosity is a robotic car-sized rover that is part of NASA’s long-term plan to learn more about the terrain and conditions on the Red Planet. One of its main goals was to determine whether or not it was possible for life to develop on Mars. Using mechanical arms, Curiosity can gather soil and rock samples from the ground and analyze them to determine their chemical composition. Since transporting around Mars was vital to the success of the mission, a lot of effort was put into Curiosity’s transportation abilities. Mars’ terrain is not smooth, so designers enabled Curiosity to roll over bumpy areas. Once Curiosity left the Earth, there would be no opportunities to repair it, so engineers also had to be spot on about Curiosity’s power solution. Therefore, they devised a system that can generate power internally from a radioisotope generator. Finally, to capture stunning pictures of Mars, Curiosity was equipped with several state-of-the-art cameras. The cameras also help the rover avoid hazards, navigate, and detect information about the atmosphere. After a 350-million-mile journey, Curiosity landed on Mars in 2012, an impressive 1.5 miles away from its initial target. Upon arrival, NASA’s website crashed due to an overload of visitors. People just couldn’t seem to get enough information on the mission. But the real thrills came in the weeks and months that followed, as people got their first real glimpse about what life was really like on Mars. The mission was originally supposed to last for two years, but scientists are now optimistic that it could continue for up to 15 years, depending on Curiosity’s condition. No matter what happens at this point, it is safe to say that Curiosity’s mission to Mars has been a smashing success.
3. What best matches the meaning of the phrase “_spot on_” in paragraph 2?

DAKAR (August 4) – Nentique Laboratories, Inc., announced today the development of a new variety of organic wheat that ---143--- heat. Dozens of plants were cross-pollinated over many years to produce this variety, known as GR-712. It joins a growing list of ---144--- that can withstand high temperatures during extended dry periods. "Some farmers in regions close to the equator focus---145--- on rice production because rice grows well in hot climates. But in the Sahara, it is too dry for much of the year," explains company spokesman Ahmad Niang. "But for a small investment in GR-712 seeds, farmers will now be able  to  grow  wheat  in  our  region."  146---.  This added income can, in turn, be reinvested in better machinery, which will encourage more environmentally friendly farming practices.

145..................

Fill in each numbered blank with one suitable word or phrase.

The Early Life of Bill Gates

While Bill Gates had to work (1)………..to become what he is today, his story isn’t exactly a rags-to-riches one as he was born into a fairly wealthy family. His father was a successful attorney while his mother was a school teacher who went onto a member of the Board of Directors of the First Interstate Bank. Gates was a bright student and (2) ……….well academically, especially in mathematics. And, this was exemplified by the 800 points that young Bill Gates scored in the mathematics part of an intelligence test.

Bill Gates developed a (3) ………..for computers and programming as early as 13. At the same age, Gates enrolled in the Lakeside School, a private preparatory school. While Gates was still at the school, the school administration decided to buy a computer from the General Electric Company. (4) ………his flare in programming, the school administration excused Gates from classes to allow him to (5) ………….his interest. On the GEC machine, Bill Gates built his first ever computer program.

At the school, Gates met Paul Allen and they worked (6)………..to find bugs in a system belonging to Computer Center Corporation. In exchange for computer time and royalties, Gates and Allen along with two other students wrote a payroll program for Information Sciences. This led to Gates’ school becoming fully aware (7)………..his talent and they had him build a program (8)………..scheduled students in classes.

Gates and Allen continue to build software and at just the age of 15, Bill Gates sold a software to optimize traffic for $$ 20,000. A few years later, he developed another software and earned $$ 30,000 from (9)...... And, this was the start of Bill Gates’ journey to a billion-dollar (10)…………..

(2)……….

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An Amazing Invention
Look at your hand, and it might not seem very interesting at first, but it is an amazing tool. In fact, the human hand is as complex and as useful as a high tech machine. This might sound strange to you, but the development of the human hand changed the world. For example, the thumb helped human beings become the smartest and most powerful animals on the Earth. Your thumb is important because it faces your other fingers. This allows you to hold things, like tools. Being able to hold tools allowed our ancient ancestors to build things and become more advanced. It is also possible that when we developed thumbs and started to use tools, our brains developed faster as well. And how about this? Your fingers are the only parts of your body that are moved by a “remote control”. A remote control is the small device that you use to change the channel on your television. Your fingers are controlled by remote because they don’t have any muscles. You control your fingers with the muscles in your palms. The palms are connected to the fingers by tendons. The palms pull the tendons, and move them the same way a string moves a puppet. Every part of the human body is complicated, but the hand is especially complicated. It has a total of 29 bones. There are 34 different muscles that move the fingers and the thumb. Seventeen of those muscles are in the palm, and 18 are in the forearm. The human hand also has 48 nerves and 30 arteries. An artery is like a vein, but it carries blood away from the heart. Human beings are not as strong or as fast as other animals. However, our ancient ancestors were able to rule the world for two reasons.  First, they were intelligent. Second, they had these amazing instruments called hands. There is no other invention like them in the world. 
3. The word “tendons” in paragraph 3 most probably means ________

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We are truly at a(n) (1)__________ between imagination and reality, especially when it comes to film. No longer are we able to tell what is real and what isn’t. In the past, it was easy to tell if a scene in a film was created artificially, as the special effects were never very good. To a person who grew up with the special effects that Hollywood can create today, the effects in films from 50 years ago are laughable. The scenes from these films come (2)__________ as so obviously fake that they are almost painful to watch. Today, however, a line has been crossed. Computer-generated animation has made it nearly impossible to (3)_________ between what was actually filmed and what was created by lines of computer code by a programmer. Not only is scenery created by computers, but also many actors known as extras. In the past, a film director would have to hire dozens and possibly hundreds of extras in order to show a crowd scene. This is no longer the (4)____________, and the one film that proved thus was achievable was Titanic, directed by James Cameron. However, years later, computer animation was taken to yet another (5)__________ by the same director with the movie Avatar

The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home. One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car. Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the final stage of their journey. Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.

(58)________