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The most substances expand in volume when they are heated.

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Afterwards I’d read the manual, I found I could use the computer easil

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In  this  age of (1)_______telephone networks and electronic mail, it seems that fewer and even fewer people are taking time to sit  down  and  write  letters(2) ________ friends  and  relatives.  For hundreds  of  years,  letters  were  the  only way to  keep (3) ________   people  who  were  any distance away and letter-writing was seen as an important skill for all learned  people (4)_________. Gradually, (5)_______, the importance of writing letters is decreasing to a point that majority of us have to (6)________a special effort to turn out something worthwhile when we apply for a job or  make a complaint. In business circles the tendency is for routine communications to become shorter. (7)__________clients may appreciate a detailed letter, an employee who sends out long letters is often regarded as (8)_______. Many people prefer the telephone in all circumstances and its speed is essential in many situations but (9)_________ have you put the telephone down, dissatisfied  with what you have managed to say? I don’t think I’ll throw my (10)_________ away yet

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COULD COMPUTER GAMES BE GOOD FOR YOU AFTER ALL
In Britain, the average young person now spends more money on games each year than on going to the cinema or renting videos. But is this 1……a bad thing? For years, newspaper reports have been 2…..that children who spend too much time playing computer games become unsociable, bad- tempered, even violent as a 3…… But new research, 4……out in both Europe and the USA, suggests that the opposite may be true. Indeed, playing some of the more complicated games may help people of all ages to improve certain skills. Researchers claim that this is because the games 5……the brain work harder in certain ways, like 6……sounds and movements quickly and identifying what they are. The fact that people play the games repeatedly 7……..that they get a lot of practice in these skills which are therefore likely to become highly developed. Social skills may benefit, too. Researchers in Chicago think that fans of first- person shooter games 8…… “Counterstrike” are better than non-players hen it comes to building trust and co-operation, and that this 9 .....them to make good friendships and become strong members of their communities. So rather than 10…….up computer games, perhaps young people need to spend more time on them?

Read the passage and then choose the best answers for the following questions.
In the early years of television, educational specialists believed that it would be very useful in teaching and learning. Many schools have bought television sets, intending to use them effectively to improve the quality of education; but actually, they are not used properly in classrooms. Meanwhile, children spend the majority of their out-of-school hours watching TV and their typical school days proceed as if television did not exist. There are some explanations for the failure of television to get the interest of the teachers. Firstly, the schools that purchased television sets have not set aside money for equipment repairs and maintenance so these television sets are sooner and later out of work. Secondly, these schools have not found an effective way to train teachers to integrate television into their ongoing instructional programs. Lastly, most teachers do not regard the quality of television and its usefulness in the classroom. Teachers at the schools work hard for at least twelve years to train their students to become good readers. However, according to recent statistics, teenagers seldom spend their free time reading books and newspapers but watching television instead. 

Children spend the majority of their free time _______.

MANY KINDS OF MICROBES

There are thousands of different kinds of microbes. Microbes called (1) _______ are the smallest living things. Bacteria live almost everywhere: on land, in water, and even (2) _______ you.

Some microscopic life forms are like plants. Tiny diatoms are microbes that live in lakes and the ocean. Diatoms soak up (3) _______ and use its energy to make food, just like plants.

Some microscopic life forms are more (4) _______ animals. Protozoa such as the amoeba and paramecium are animal-like microorganisms. An amoeba can move (5) _______ changing the shape of its body. It sticks out a pseudo pod, or false foot. A paramecium is (6) _______ with tiny hairs. It waves its hairs rapidly to swim.

Viruses are (7) _______ kind of microbe. Viruses sometimes act like living things and other times act like nonliving things. Viruses sometimes live in the cells of plants and animals. (8) _______ a cell, a virus reproduces like a living thing. The virus uses the cell to make many copies of itself. Viruses are (9) _______ small to see with an ordinary microscope. You need a powerful electron microscope to see a virus. Outside of a plant or animal cell, a (10) _______ is like a nonliving thing.

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A NIGHTMARE OF NOISE
According to a recent TV program, noise pollution is becoming an increasingly serious problem. Background noise such as (1)_____, police sirens and aeroplanes is growing year by year, and complaints to the police are becoming more and more (2)_____. However, for people like Mary Norman, who lives close to London Heathrow airport, the situation is particularly bad. “It’s becoming very difficult to (3)_____ a normal family life,’ she told an interviewer, ‘because the planes start first thing in the morning. They make a terrible noise, as you can imagine, and it (4)_____ on all day long. Of course I have complained about it but nobody takes any notice. I’m fed (5)_____ with living here, but unfortunately I can’t afford to move.” Researchers believe that the problem is getting worse. They have found that people who are exposed to high levels of noise become (6)_____ aggressive. Take the case of Henry Wilson, who was (7)_____ mad by a neighbor who insisted on playing his music at full volume. One night, he finally lost his (8)_____. After being forced to listen to heavy metal songs for hours, he burst into his neighbor’s house, poured petrol all over the carpets and (9)_____ to set fire to the place. When he finally appeared in court, the judge was surprisingly understanding. He (10)_____ to send him to jail, saying that he had suffered enough

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(1)___history, women have always aimed for a recognized place in (2)__. Guided by their own (3)___of knowledge and expertise, women like Marie Curie in science, Mary Wollstonecraft in literary writing, Simone de Beauvois in philosophical existentialist debate, and Marie Stopes in medicine, to name a few, have brought about (4)___awareness of the role of women in any walks of life. These women have helped redefine and (5)___the nature of women’s place in society. Today the (6)___of global women's organizations and the impact of women's contributions (7)___society show that progress has been made and the progress in furthering the role of women in society has been some benefits to the (8)___woman. It is true to say that not all women have the same need. The need of the woman who stays at home and (9)___children will differ widely from the woman who works outside. Nonetheless, in the extensive field of equal opportunities, it would be good to know that access is given to both with equal measure according to the true value of respective abilities. It also would be good to know that the woman at home is recognized as a valued (10)____of society just as much as the one who deals with business outside the home.

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POLAR BEARS
Polar bears are in danger of dying out. (1) _________ some other endangered animals, it’s not hunters that are the problem, it’s climate change. Since 1979, the ice cap at the Arctic Circle where the polar bears live has (2) _________ in size by about 30 percent. The temperature in the Arctic has slowly been (3) _________ and this is (4) _________ the sea ice to melt, endangering the polar bears’ home. The polar bears’ main (5) _________ of food are the different types of seal found in the Arctic. They catch them by waiting next to the air holes the seals have (6) _________in the ice. (7) _________ the bears are very strong swimmers, they could never catch seals in the water. This means that the bears (8) _________ do rely on the ice to hunt.bPolar bears also need sea ice to travel. They can (9) _________ a huge territory and often swim from one part of the ice to another. They have been known to swim up to 100km, but when there is less ice, they may have to swim further and this can (10) _________ fatal to the bears. A number of bears have drowned in the last few years and scientists believe that it is because they were not able to reach more sea ice before they became too tired and couldn’t swim any further.

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Magnets
A solid object that has the power to attract iron and some metals is called a magnet. It does this through its magnetic field, a region of force surrounding it. The (1) _____ the magnet, the more intense is the field. Objects that are attracted to the magnet feel a force (2)­­ _____ as “magnetism” when they are inside the magnetic field. This magnetic force can pass (3) _____ some materials. Even a weak magnet will attract a pin to the other side of a (4) ______ of paper, for example. Magnets come in (5) ______ shapes. A familiar one is the curved horseshoes magnet. There are also bar magnets in the form (6) _____ disc or a stubby cylinder. Every magnet has (7) ______ poles, called north and south, at opposite ends of it: at the two ends of a horseshoes magnet, for example, or on the two sides of a disc. Powerful magnets can be (8) _______ by passing an electric current through wire coiled around a piece of iron. The (9) _____ is called and electromagnet. Magnets are (10) ______ in many household and everyday devices. They are also commonly used in industrial machinery, usually in the form of electromagnets

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One of the most difficult questions in defining sleep is “What are the functions of sleep?”

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The first question we might ask is: What can you learn in college that will help you in being an employee? The schools teach (1) _______ many things of value to the future accountant, doctor or electrician. Do they also teach anything of value to the future employee? Yes, they teach the one thing that it is perhaps most valuable for the future employee (2)_______. But very few students bother to learn it. This basic skill is the ability to organize and express ideas in writing and in speaking. This means that your success as an employee will depend on your ability to communicate with people and to (3) _______ your own thoughts and ideas to them so they will (4) _______ understand what you are driving and be persuaded. Of course, skill in expression is not enough (5) _______ itself. You must have something to say in the first place. The effectiveness of your job depends (6) _______ your ability to make other people understand your work as they do on the quality of the work itself. Expressing one’s thoughts is one skill that the school can (7) _______ teach. The foundations for skill in expression have to be (8) _______ early: an interest in and an ear (9) _______ language; experience in organizing ideas and data, in brushing aside the irrelevant, and above all the habit of verbal expression. If you do not these foundations (10) _______ your school years, you may never have an opportunity again

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Many heavy work that was once done by hand can now be done more easily with the help of compressed air

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THE OPEN UNIVERSITY
The Open University was created in 1968 to give people who cannot afford (1) _______ attend regular courses of study, the opportunity of studying and (2)_______ a university diploma or degree. They study at home and their academic performance is assessed by (3) ______                 of written examinations or project work. Most Open University    students (4) ________  in study while also holding down a job or coping with a busy home life. They study in order to update their job skills  or  for personal (5) ______ .At the heart of  most courses is a (6)______ of specially written and  professionally printed textbooks and workbooks which students receive by post. On many of the courses, students are expected to watch television programmes on the BBC   network, (7)______-are usually broadcast in the (8) _____                   hours  of  the  morning. The (9) ______ of these programmes is to develop  and broaden the study experience, (10)______ students do not have to rely only on the printed material they are sent

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Many automobile factories have found that human operators work more effective than automated ones in regard to flexible decision making.

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Most Americans eat three meals (1) ______ the day: breakfast, lunch, and dinner. Breakfast begins between 7:00 and 8:00am, lunch between 11:00 am and noon, and dinner between 6:00 and 8:00 pm. On Sundays "brunch" is a (2) ______ of breakfast and lunch, typically beginning at 11:00 am. Students often enjoy a "study break" or evening snack around 10:00 or 11:00 pm. Breakfast and lunch tend to be light meals, with only one (3) ______. Dinner is the main meal. (4) ______ breakfast Americans will eat cereal with milk which are often mixed (5) ______ in a bowl, a glass of orange juice, and toasted bread or muffin with jam, butter, or margarine. Another common breakfast meal is scrambled eggs or (6) ______ omelet with potatoes and breakfast meat (bacon or sausage). People who are on (7) ______ eat just a cup of yogurt. Lunch and dinner are more (8) ______. When eating at a formal dinner, you may be overwhelmed by the number of utensils. How do you (9) ______ the difference between a salad fork, a butter fork, and a dessert fork? Most Americans do not know the answer (10) ______ But knowing which fork or spoon to use first is simple: use the outermost utensils first and the utensils closest to the plate last

Complete the passage with the words provided.
The computer has proved to be very (31)_________to our lives. In fact, it can not only do simple (32)_________- add, subtract, multiply or divide - with lightning speed, but also gather a wide range of information for many purposes. They can (33)_________hand-printed letters, play chess, compose music, write plays or even design other computers. In business and industry, the computer keeps track of sales trends and production needs, mails dividend checks, and makes out company payrolls. (34)_________they are taking over some of the tasks that were once accomplished by our brains, computers are not replacing us. Our brain (35)_________more than 10 billion cells and a computer has only a few hundred thousand parts.

31________

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It is relatively easy for computers to speak. A computer that says ‘please’ and ‘thank you’ in the right places is (1) ___ miracle of science ,but recognizing the words that make up normal , continuous human speech is another (2) ___ Not until now have computer been programmed to (3) ___ to a range of spoken commands.Until recently it was thought that computers would have tobe programmed to the accent and speech hahits of each user,and only then would be able to respond (4) ___to their master’s or mistress’s voice.Now rapid progress is being made (5) ______systems programmed to adapt easily to each new speaker. The IBM Tangora system,under development at the end of 1980s was claimed to (6) ______a spoken vocabulary of 20,000 words with 95 percent accuracy. The system includes a processor that can  make informed guesses as to(7)______is a likely sentence.That system has been programmed not only with grammatical rules,but also with an analyssis of a vast quantity of office correspondence.On the (8) _____of this information ,the machine can calculate the probability of one particular word following another. Statistical probability is necessary for computers to interpret not only speech but also (9) ______data. Security systems can distinguish between faces they have been taught to recognize,but never has a computer been able to match a human’s ability to make sense of a three-dimemsional scene (10) ______identifying all objects in it.

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WHY I DISLIKE COMPUTERS
Almost everyone says that computers are wonderful and that they are (1)________ our lives for the better by making everything faster and more reliable, but I am not so sure that this is the (2)______.The other day I was standing in a large department store waiting to pay for a couple of films for my camera  (3)______the  assistant  announced  that  the  computer which controlled the till (4)_____ working. I did not think this was a big problem and I (5)_____ to find another counter, but of course, all the machines are part of the same system. So there we were: a shop full of customers, money  at  the  ready,  waiting to (6)______our  purchases,  but  it  was quite  clear  that  none of the assistants knew what to do. They were not allowed to take our money and give to customers a written(7)_______,because the sales wouldn‟t then have been recorded on the computer system. In the end, (8)_______many other people, I left my shopping on the counter and walked out .Don't you think so that's ridiculous? It (9)______ never have happened before computers, and that, for me, is the problem: we are beginning to depend on these machines so completely that we (10)_________cannot manage without them anymore.

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Around 200 million people are employed in tourism worldwide, making it the largest industry in the modern global economy. It is estimated that three-quarters of a billion people (1)___________ on holiday each year, and industry planners expect this figure to double by 2020. Some of the biggest beneficiaries are less developed countries, (2)___________it is often their main source of income.
(3)_________________, along with the economic benefits, this mass movement of people has resulted in threats (4)_____________ the environment. People often forget the damage caused by carbon dioxide emissions from aircraft, which (5) ______________ directly to global warming. Deforestation has cleared land  in order to build hotels, airport and roads, and this has destroyed wildlife. In some areas, water shortages are now common (6)_____________of the need to fill swimming pools and water golf courses for tourists. By pushing up prices for goods and services, tourism can also be (7)______________ to the people who live in tourist destinations.
In response to these concerns, some travel operators now offer environmental friendly holidays. Many of these aim to reduce the negative (8)____________ of tourism by promoting only hotels that have invested equipment to recycle waste and use energy and water efficiently. Increasingly, tourists are also being reminded to show respect (9)______________ the customs of the people (10) ______________countries they are going to visit, and to support local businesses, such as restaurants and shops, which depend on tourism for their main income

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The library at the university is new but has taken her name from the wife of the first president of the university.