Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that bestfits each ofthe numbered blanks from 11 to 15.
Left-handers are the odd ones out. Sure, lefties (11)________ up about 10 percent of the population - but, frankly, it seems like society has forgotten about them. Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that fit comfortably only in your right hand. What (12)_______ someone to become a lefthand? Scientists aren‟t exactly sure, but research points to a complex (13)________ between genes and environment. While no exact set of “leftie genes” have   been discovered, people who dominantly use their left hands do have more left-handed family members. And researchers have found different brain wirings in righties vs. lefties. But no matter (14)________ it  is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have. So for all of you lefties, leftie-loving righties, and ambidextrous folks out there  -  it‟s  time  to  brush  up  on  your  left-handed  knowledge  and help (15)________ an  end to leftie discrimination once and for all
(13).................

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. 

It is not easy to choose a career today. Hundreds of students are leaving schools and universities every year  to  seek  employment  in  the  various  professions,  though  employment  opportunities  are  not  increasing proportionately. As a result, there is a lot of unemployment.   

 The inability of the various professions to absorb all those seeking employment makes the choice of a career more difficult. Before one leaves school or university, one has many plans, confident that choosing a career will not be difficult. But when, the time comes to choose a career, one finds that there are others with better qualifications waiting to enter the same profession.  Disillusioned, one then looks for  any  kind of employment.  In this way,  many  who  wanted  to  become  police  inspectors or field  assistants  in  the  rubber estates in this country,  become  teachers  instead,  and many who  wanted  to  become  teachers,  have  become shop assistants. The lack of institutions where people could acquire the skills necessary for a particular career makes the choice of a career even more difficult. For example, if one desires to become a journalist, one has to receive some training and instruction in a school of journalism. But if there is no such school, one is compelled to think of some other career.

Before one leaves school or university, one ________. 

Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 26 to 30.
The joys and tribulations of being a pet owner! During our lifetime most of us have some experience of either owning a pet or being in close contact with someone who does. Is there such a thing as “the ideal pet”? If so what characterizes the ideal pet? Various (26)_______ influence one‟s choice of pet, from your reasons for getting a   pet (27)_______ your lifestyle. For example, although quite a few pets are relatively cheap to buy, the cost of (28)_______ can be considerable. Everything must be taken into account, from food and bedding, to vaccinations and veterinary bills. You must be prepared to spend time on your pet, (29)_______ involves shopping for it, cleaning and feeding it. Pets can be demanding and a big responsibility. Are you prepared to exercise and housetrain an animal or do you prefer a more independent pet? How much spare room do you have? Is it right to lock an energetic animal into a (30)_______ space? Do you live near a busy road which may threaten the life of your pet? Pets such as turtles and goldfish can be cheap and convenient, but if you prefer affectionate pets, a friendly cat or dog would be more appropriate. People get pets for a number of reasons, for company, security or to teach responsibility to children. Pets can be affectionate and loyal and an excellent source of company as long as you know what pet suit you and your lifestyle.
(30).....................

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:
    Although noise, commonly defined as unwanted sound, is a widely recognized form of pollution, it is very difficult to measure because the discomfort experienced by different individuals is highly subjective and, therefore, variable. Exposure to lower levels of noise may be slightly irritating, whereas exposure to higher levels may actually cause hearing loss. Particularly in congested urban areas, the noise produced as a byproduct of our advancing technology causes physical and psychological harm, and detracts from the quality of life for those who are exposed to it.
    Unlike the eyes, which can be covered by the eyelids against strong light, the ear has no lid, and is, therefore, always open and vulnerable; noise penetrates without protection. Noise causes effects that the hearer cannot control and to which the body never becomes accustomed. Loud noises instinctively signal danger to any organism with a hearing mechanism, including human beings. In response, heartbeat and respiration accelerate, blood vessels constrict, the skin pales, and muscles tense. In fact, there is a general increase in functioning brought about by the flow of adrenaline released in response to fear, and some of these responses persist even longer than the noise, occasionally as long as thirty minutes after the sound has ceased.
    Because noise is unavoidable in a complex, industrial society, we are constantly responding in the same way that we would respond to danger. Recently, researchers have concluded that noise and our response may be much more than an annoyance. It may be a serious threat to physical and psychological health and well-being, causing damage not only to the ear and brain but also to the heart and stomach. We have long known that hearing loss is America‟s number one nonfatal health problem, but now we are learning that some of us with heart disease and ulcers may be victims of noise as well. Fetuses exposed to noise tend to be overactive, they cry easily, and they are more sensitive to gastrointestinal problems after birth. In addition, the psychic effect of noise is very important. Nervousness, irritability, tension, and anxiety increase affecting the quality of rest during sleep, and the efficiency of activities during waking hours, as well as the way that we interact with each other.

According to the passage, people respond to loud noises in the same way that they respond to ___.

Choose the letter A, B, C or D to complete the passage below

What do you do well? What do you enjoy doing? Your answers to these two questions will help you identify your (1) _____. An employer will consider you seriously for a spot when you can show them that you know who you are, what you can offer and which you have studied. Sometimes it is difficult to know what your weaknesses are. Clearly not everyone is equally good (2)_____ everything. You may need to improve yourself and so (3) _____ courses in that field could turn a weakness into strength. You will need to (4) _____ some time on your self-assessment. Your honesty and the desire for self-improvement will lead to (5) _____ in getting the right job. Explore the following seven areas to start to get to know yourself: your aptitude, your skills, your personality, the level of responsibility you feel comfortable with, your interests and your needs.

(1)...................

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:
    Although noise, commonly defined as unwanted sound, is a widely recognized form of pollution, it is very difficult to measure because the discomfort experienced by different individuals is highly subjective and, therefore, variable. Exposure to lower levels of noise may be slightly irritating, whereas exposure to higher levels may actually cause hearing loss. Particularly in congested urban areas, the noise produced as a byproduct of our advancing technology causes physical and psychological harm, and detracts from the quality of life for those who are exposed to it.
    Unlike the eyes, which can be covered by the eyelids against strong light, the ear has no lid, and is, therefore, always open and vulnerable; noise penetrates without protection. Noise causes effects that the hearer cannot control and to which the body never becomes accustomed. Loud noises instinctively signal danger to any organism with a hearing mechanism, including human beings. In response, heartbeat and respiration accelerate, blood vessels constrict, the skin pales, and muscles tense. In fact, there is a general increase in functioning brought about by the flow of adrenaline released in response to fear, and some of these responses persist even longer than the noise, occasionally as long as thirty minutes after the sound has ceased.
    Because noise is unavoidable in a complex, industrial society, we are constantly responding in the same way that we would respond to danger. Recently, researchers have concluded that noise and our response may be much more than an annoyance. It may be a serious threat to physical and psychological health and well-being, causing damage not only to the ear and brain but also to the heart and stomach. We have long known that hearing loss is America‟s number one nonfatal health problem, but now we are learning that some of us with heart disease and ulcers may be victims of noise as well. Fetuses exposed to noise tend to be overactive, they cry easily, and they are more sensitive to gastrointestinal problems after birth. In addition, the psychic effect of noise is very important. Nervousness, irritability, tension, and anxiety increase affecting the quality of rest during sleep, and the efficiency of activities during waking hours, as well as the way that we interact with each other.

Look at the verb accelerate in paragraph 3. Which of the following is the closest in meaning to _____.

Read the passage below and decide whether the statements are TRUE or FALSE?

Choosing a career may be one of the hardest jobs you ever have, and it must be done with care. View a career as an opportunity to do something you love, not simply as a way to earn a living. Investing the time and effort to thoroughly explore your options can mean the difference between finding a stimulating and rewarding career and move from job to unsatisfying job in an attempt to find the right one. Work influences virtually every aspect of your life, from your choice of friends to where you live. Here are just a few of the factors to consider.

Deciding what matters most to you is essential to making the right decision. You may want to begin by assessing your likes, dislikes, strengths, and weaknesses. Think about the classes, hobbies, and surroundings that you find most appealing. Ask yourself questions, such as “Would you like to travel? Do you want to work with children? Are you more suited to solitary or cooperative work?” There are no right or wrong answers; only you know what is important to you. Determine which job features you require, which ones you would prefer, and which ones you cannot accept. Then rank them in order of importance to you.

Choosing a career may be one of the easily jobs you ever have, and it must be done with care.

Read the following passage and mark A, B, C, or D to indicate the correct answer to each of the blanks from 46 to 50.
What make a good souvenir?
On my desk at home, I have a collection of souvenirs; objects that remind me of places I‟ve visited and important events in my life. These objects include a model boat that I saw being carved from a piece of wood on a Caribbean island, a piece of lava that emerged hot from a volcano in the year I was born, and a shell (46)_______ on my favourite childhood beach.
Unlike everything else, from which memory and detail fades, it is as if the longer you hold on to certain objects, the (47)_______ their associations with the past become, and the sharper the recollections that gather around them. They are, (48)_______ , real souvenirs, encapsulations not only of the place, but of your time in the place. But these days, the term “real souvenirs” sounds like a contradiction in terms, and this is because the objects sold to tourists as souvenirs are often cheap mass-produced imports that have nothing to do with the place at all.
It‟s often the (49)_______ that the best souvenirs, like my shell, are found rather than purchased, but browsing for souvenirs can also be a fun holiday activity. But if you are buying souvenirs on holiday this summer,  make sure they (50)_______ the reality test. A good souvenir is not just made in the area where it is bought, it also says something about the culture of that area. It is something made by local people using sustainable local materials, and because you are effectively supporting the local economy, it shouldn't come too cheap, either.
(48).........................

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

"The Southwestern States of the United States suffered one of the worst droughts in their history from 1931 to 1938. The drought (1)…. the entire country. Few food crops could be grown. Food became (2)…., and prices went up (3)….  the nation. Hundreds of families in the Dust Bowl region had to be moved to farms in other areas with the help of the federal government. In 1944, drought brought great damage to (4)…. all Latin America. The drought moved to Australia and then to Europe, (5)…. it continued throughout the summer of 1945. From 1950 to 1954 in the United States, the Southwest suffered a (6)….. drought Hundreds of cattle ranches had to ship their cattle to other regions because (7)… lands had no grass. The federal government again (8)….. an emergency drought-relief program. It offered farmers (9)…. credit and seed grains (10)… low prices."

10. and seed grains (10)… low prices

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. 
If you’ve done any traveling at all, you’re likely quite aware that customs and etiquette differ from one culture to another: what may be perfectly innocuous in one place may be hideously offensive in another, and vice-versa. Granted, even if you haven’t traveled at all, you’re probably aware of the fact that certain types of behavior aren’t exactly acceptable in other countries: belching at the table may be a sign of gratitude in some places, but in most areas of North America and Europe, such a display will earn you a fair bit of ire. Whether you plan on traveling to any of the places listed below or just doing business with a foreign client, it’s important to educate yourself on the standards of politesse and etiquette beforehand—the last thing you want to do is offend someone with any ignorant, boorish behavior. Here’s how to be polite in different countries.
When dealing with Japanese clients, be sure to dress fairly conservatively, and make sure that you bow lower than they do upon meeting them. Accept gifts with both hands and open them later, not in front of the giver, and never blow your nose at the dining table. Avoid asking and answering direct questions: it’s better to imply rather than ask, and to answer with vagueness during conversations.
In Mexico, when meeting others, women should initiate handshakes with men, but all people should avoid making too much eye contact; that can be seen as aggressive and belligerent behavior. If sharing a meal with others, keep your elbows off the table and try to avoid burping at all costs. Keep your hands off your hips, and make sure you never make the “okay” sign with your hand: it’s vulgar.
In Kenya, when greeting someone older or of a higher status than yourself, grip their right wrist with your left hand while shaking it; it’s a sign of respect and deference. Do ask questions about their health, family, business etc. before getting to major topics, as skipping these niceties is seen as impolite. If sharing meals, do not begin eating until the eldest male has been served and starts to eat.
Turning down an alcoholic drink is considered terribly offensive in Russia, so it’s a good idea to fortify yourself with some greasy food before heading out for a meal with Russian or Ukrainian clients. Don’t smile at strangers or they’ll think you’re deranged, and when paying for items, place your money on the counter rather than trying to hand it directly to the cashier.

Which of the following could be served as the best title of the passage?

Read the following passage and choose the correct answer in each sentence.
The British public is excited about the opening of Aarhus Clothing's first UK-based store. The Danish company has gained a reputation for achieving consistently high rates of customer — 139 —. It quickly became a well-known brand in its home country. — 140 —.
Aarhus Clothing launched its first German store two years ago, after which the company quickly moved into Belgium and the Netherlands. With the inauguration of a flagship store on London’s Oxford Street next month, the company hopes to stand out in the — 141 — UK market.
Designer Mads Jensen told reporters, “Our products have been sought after in Europe for many years now because they are simple and — 142 —. As they are basic and long-lasting, we expect them to be just as popular in the UK.”

142................

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. 
     Many of us worry about the effects of television on family life. We think that we spend too much time watching television and that it takes us away from more important activities, such as reading, exercising and talking to family and friends. But is this really true? 
      Studies have shown that people in the United States do spend a lot of time in front of their television sets. About 98% of American homes have at least one TV set, and in the average home the TV is on more than six hours a day. But how much attention do people actually pay to the programs? And do people who watch TV really spend less time on other free-time activities? Recently some researchers in New York City tried to find the answers to these questions by conducting a telephone survey. They phoned more than a thousand people all over the United States and asked them questions about how they spend their free time.
      No one was surprised to find out that watching TV is the most popular free-time activity in the United States. More than 70% of those asked said that they watch TV every day or almost every day. The second most popular activity that they mentioned was reading the newspaper. Listening to music at home was third, talking on the phone to friends and relatives was fourth and doing some form of exercise was fifth. 
      But the researchers discovered an interesting fact about Americans' TV habits. According to this survey, although most people turn the TV on every day, they do not actually watch it very much. Six out of ten people said that when the TV is on, they seldom pay attention to it. During a typical television program, they may eat dinner, do housework, read a newspaper or magazine, talk to their children or even read to them. The TV may be on, but it is just background music.
      The researchers therefore concluded that television does not take Americans away from more important activities. It doesn't keep them from doing other free-time activities. In fact, when they compared people who frequently watch TV and those who seldom watch TV, they found that there were no great differences in their other activities. The frequent watchers read to their children and talk to their families just as much as the others. 
(Adapted from “Reading Academic English” by Judy Rapoport, Ronit Broder and Sarah Feingold)

Which of the following could be the best tittle of the passage?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 26 to 30.
The joys and tribulations of being a pet owner! During our lifetime most of us have some experience of either owning a pet or being in close contact with someone who does. Is there such a thing as “the ideal pet”? If so what characterizes the ideal pet? Various (26)_______ influence one‟s choice of pet, from your reasons for getting a   pet (27)_______ your lifestyle. For example, although quite a few pets are relatively cheap to buy, the cost of (28)_______ can be considerable. Everything must be taken into account, from food and bedding, to vaccinations and veterinary bills. You must be prepared to spend time on your pet, (29)_______ involves shopping for it, cleaning and feeding it. Pets can be demanding and a big responsibility. Are you prepared to exercise and housetrain an animal or do you prefer a more independent pet? How much spare room do you have? Is it right to lock an energetic animal into a (30)_______ space? Do you live near a busy road which may threaten the life of your pet? Pets such as turtles and goldfish can be cheap and convenient, but if you prefer affectionate pets, a friendly cat or dog would be more appropriate. People get pets for a number of reasons, for company, security or to teach responsibility to children. Pets can be affectionate and loyal and an excellent source of company as long as you know what pet suit you and your lifestyle.
(27).....................

Choose the word (A, B, C, or D) that best fits each of the blank spaces.

Life after high school doesn't end. In fact, life begins once there are no more lockers, gym class, or teachers nagging you about homework.

In terms of choosing the (1) ____ career, it is important to consider a career assessment test in which you answer a series of questions designed to (2) ____ your strengths and weaknesses. While career tests should not be your main source of decision making, you can use them as a tool to help you decide what career might match your (3) ____.

Think about your interests and hobbies. If you enjoy science, you may want to apply to college and pursue a career in engineering or marine (4) ____.Write a list of possible careers that match your interests and your capabilities. If you find you are happiest when you work with others, jot down that you are a team player. In that case, you may want to consider jobs that involve people interaction instead of careers like computer programming or writing, which require more alone time. Speak to an adult you trust about your ideas and be willing to receive (5) ____.

Narrow your options and look for a career with growth (6) ____. While it is important to pick a career that will stimulate your mind, it is also important to be practical about the market. If you decide that you want to go to college, you will need to pick a career that enables you to make a living (7) ____ you graduate.

Jump into the first step of realizing your career dreams. If you have decided that you would like to pursue a career that requires higher education, do your (8) ____ on applying to the college or programme, including qualifications, application deadlines, tuition fees and length of study. If you have decided on a career that does not require higher education, start looking for ways to enter the field and (9) ____ experience. Speak to someone who already has your dream job. This person can provide a better picture of the pros and cons of the (10) ____

(5) ____

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:
    Although noise, commonly defined as unwanted sound, is a widely recognized form of pollution, it is very difficult to measure because the discomfort experienced by different individuals is highly subjective and, therefore, variable. Exposure to lower levels of noise may be slightly irritating, whereas exposure to higher levels may actually cause hearing loss. Particularly in congested urban areas, the noise produced as a byproduct of our advancing technology causes physical and psychological harm, and detracts from the quality of life for those who are exposed to it.
    Unlike the eyes, which can be covered by the eyelids against strong light, the ear has no lid, and is, therefore, always open and vulnerable; noise penetrates without protection. Noise causes effects that the hearer cannot control and to which the body never becomes accustomed. Loud noises instinctively signal danger to any organism with a hearing mechanism, including human beings. In response, heartbeat and respiration accelerate, blood vessels constrict, the skin pales, and muscles tense. In fact, there is a general increase in functioning brought about by the flow of adrenaline released in response to fear, and some of these responses persist even longer than the noise, occasionally as long as thirty minutes after the sound has ceased.
    Because noise is unavoidable in a complex, industrial society, we are constantly responding in the same way that we would respond to danger. Recently, researchers have concluded that noise and our response may be much more than an annoyance. It may be a serious threat to physical and psychological health and well-being, causing damage not only to the ear and brain but also to the heart and stomach. We have long known that hearing loss is America‟s number one nonfatal health problem, but now we are learning that some of us with heart disease and ulcers may be victims of noise as well. Fetuses exposed to noise tend to be overactive, they cry easily, and they are more sensitive to gastrointestinal problems after birth. In addition, the psychic effect of noise is very important. Nervousness, irritability, tension, and anxiety increase affecting the quality of rest during sleep, and the efficiency of activities during waking hours, as well as the way that we interact with each other.

The word it in the first paragraph refers to ___.

Read the following passage and choose the correct answer in each sentence.
On Monday, Lirong Wen will join the sales office as a management assistant. She will be a member of the customer service team — 135 — on the second floor. Also, on September 12, we will welcome Theo Sullivan back to the company. After taking two years off to complete a graduate degree, Theo will join the frozen foods departments — 136 — a senior production manager. He will — 137 — the team that processes the work order.
We are happy to welcome these two new members of our team. —138 —.

137...............

Choose the item among A, B, C or D that best answers the question about the passage:

"The deserts of the world are not all covered with sand. Many of them have surfaces of rock or clay or small stones. They are not flat, either; they often have high hills and deep valleys. There is some plant life in many parts of the desert. There is little rain in the desert, but it does fall often enough for most plants. The deserts of the world are not uninhabited. People also live outside oases, but these people are not farmers. They have camels, goats, donkeys, sheep, etc. These animals can live on the desert plants and do not need much water.
 The people of the desert have to move constantly from place to place, they must always look for grass or desert plants for their animals. They usually live in tents. When there is no more food for their animals, they fold up their tents, put them on their camels and donkeys, and move to another place. In good years, when there is enough food for their animals, they trade their skins and their goats and camel hairs with the people of oases for wheat and fruit. But in bad years, when there is not enough food for their animals, the people of the desert would attack the oases people. But they are also hospitable. No man in the desert would ever refuse to give a stranger food and water."

1. According to the passage, deserts are mostly made up of ……

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

"The Southwestern States of the United States suffered one of the worst droughts in their history from 1931 to 1938. The drought (1)…. the entire country. Few food crops could be grown. Food became (2)…., and prices went up (3)….  the nation. Hundreds of families in the Dust Bowl region had to be moved to farms in other areas with the help of the federal government. In 1944, drought brought great damage to (4)…. all Latin America. The drought moved to Australia and then to Europe, (5)…. it continued throughout the summer of 1945. From 1950 to 1954 in the United States, the Southwest suffered a (6)….. drought Hundreds of cattle ranches had to ship their cattle to other regions because (7)… lands had no grass. The federal government again (8)….. an emergency drought-relief program. Ít offered farmers (9)…. credit and seed grains (10)… low prices."

5. The drought moved to Australia and then to Europe, (5)…. it continued throughout the summer of 1945. 

The Alaska pipeline starts at the frozen edge of the Arctic Ocean. It stretches southward acros the largest and northernmost state in the United States, ending at a remote ice-free seaport village nearly 800 miles from where it begins. It is massive in size and extremely complicated to operate. The steel pipe crosses windswept plains and endless miles of delicate tundra that tops the frozen group. It weaves through crooked canyons, climbs sheer mountains, plunges over rocky crags, make it way through thick forests, and passes over or under hundreds of rivers and streams. The pipe is 4 feet in diameter and up to 2 million barrels or 84 million gallons of crude oil can be pumped through it daily. Resting on H-shaped steel racks called “bents,” long sections of the pipeline follow a zigzag course high above the frozen earth. Other long sections drop out of sight beneath spongy or rocky ground and return to the surface later on. The pattern of the pipeline’s up-and-down route is determined by the often harsh demands of the arctic and subarctic climate, the tortuous lay of the land, and the varied compositions of soil, rock, or permafrost permanently frozen ground. A little more than half of the pipeline is elevated above the ground. The remainder is buried anywhere from 3 to 12 feet, depending largely upon the type of terrain and the properties of the soil. One of the largest in the world, the pipeline cost approximately $8 billion and is by far the bigges and most expensive construction project ever undertaken by private industry. In fact, no single busines could raise that much money, so 8 major oil companies formed a consortium in order to share the cost. Each company controlled oil rights to particular shares of land in the oil fields and paid into the pipeline –construction fund according to the size of its holdings. Today, despite enormous problems o climate, supply shortages, equipment breakdowns, labor disagreements, treacherous terrain, a certain amount of mismanagement, and even theft, the Alaska pipeline has been completes and is operating.

the word “undertaken” is closest in meaning to __________.

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

Desert biomes are the (1) _____ of all the biomes. In fact, the most important characteristic of a desert is that it receives very little (2) _____. Most deserts receive less than 300 mm a year compared (3) _______ rainforests, which receive over 2,000 mm. That means that the desert only gets 10 percent of the rain that a rainforest gets! The temperature in the desert can (4) _____ drastically from day to night because the air is (5) _____ dry that heat escapes rapidly at night. The daytime temperature averages 38°C (6) _____ in some deserts it can get down to -4°C at night. The temperature also varies greatly depending on the (7) _____ of the desert. Since desert conditions are so severe, the plants that live there need to have (8) _____ to compensate for the lack of water. Some plants, such as cacti, (9) _____ water in their stems and use it very slowly, while others like bushes conserve water by growing few leaves or by having large root systems to gather water or few leaves. Some desert plant species have a short life cycle of a few weeks that (10) _____ only during periods of rain.

(9) _____

Read the passage below and choose one correct answer for each question.

A desert is a hostile, potentially deadly environment for unprepared humans. In hot deserts, high temperatures cause rapid loss of water due to sweating and the absence of water sources with which to replenish it can result in dehydration and death within a few days. In addition, unprotected humans are also at risk from heatstroke.  Humans may also have to adapt to sandstorms in some deserts, not just in their adverse effects on respiratory systems and eyes, but also in their potentially harmful effects on equipment such as filters, vehicles, and communication equipment.  Sandstorms can last for hours, sometimes even days.  Despite this, some cultures have made hot deserts 'their home for thousands of years,  including the Bedouin, Tuareg tribe, and Pueblo people. Modern technology, including advanced irrigation systems, desalinization, and air conditioning, has made deserts much more hospitable, In the United States and Israel for example, desert farming has found extensive use.  In cold deserts, hypothermia and frostbite are the chief hazards, as well as dehydration in the absence of a source of heat to melt ice for drinking. Falling through pack-ice or surface ice layers into freezing water is a particular danger requiring emergency action to prevent rapid hypothermia Starvation is also a hazard; in low temperatures, the body requires much more food energy to maintain body heat and to move. As with hot deserts, some people such as the Inuit have adapted to the harsh conditions of cold deserts.

Which is not a problem in cold deserts?