2014年4月大学英语b模拟考题库.doc

52、 Computers can injure you. Most other injuries happen suddenly. For example，if you fall off a bike and break your arms，it happens very quickly. But computer injuries happen slowly. You probably know how to ride a bike safely. Now learn to use a computer safely. Your eyes Too much light can injure your eyes，so never sit too close to a computer screen. Your eyes should be at least 50cm from the screen. Remember to look away from it sometimes. This gives your eyes a rest. When you use a computer, the window should be on your left or your right. If it is behind you, the light will reflect on (反射) the screen. If the window is in front of you, the sun and the screen will both shine into your eyes. Your hands and wrists Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time，follow these three rules:1) Rest your wrists on some thing. 2) Keep your elbows (肘) at the same height as the keyboard. 3) Stop sometimes and exercise your hands，wrists and fingers in a different way. Your back Some people sit for many hours in front of a computer. If you sit in the wrong way，you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms，wrists，hands and the upper part of your legs should all be parallel (平行) to the floor. If you are sitting for a long time，get up every 30 minutes and exercise your arms，legs and neck. Enjoy your computer，but use it safely. (1)、A computer screen may injure your eyes if your eyes are too close to it. _A：TB：F答案：A (2)、Hand and wrist injuries are caused when you get plenty of exercise. _A：TB：F答案：B (3)、Your eyes and hands will be safe if you often take rests from working. _A：TB：F答案：A (4)、It is good for your back and neck if you sit in the right way. _A：TB：F答案：A (5)、The best title for the text is How to Protect Your Eyes. _A：TB：F答案：B 53、 The workers who brought the girl to the orphanage (孤儿院) knew little about her. The streets where they found her had been her home for many years. Her parents were unknown. They left her long ago. At the orphanage, the girl, like all the children there, was taught to read and write. While she was studying at the orphanage，she learned something elseto be independent. At twenty-one，she left the orphanage and began work as a secretary. And then，in 1975, while she was still working as an ordinary secretary, something special happened. She entered the Miss Hong Kong competition and won it. This was the turning point in her life. Now her name，Mary Cheung，was known to everybody. Mary entered the competition because she wanted to show that orphanage girls could be something. Winning the competition gave her the chance to start a new life. This led her first into television and then into business as a manager. When she was working as a manager，she had trouble with her reports. My English just wasnt good enough. she says. Luckily，she had a boyfriend (who later became her husband) to help her. Mary studied management at Hong Kong Polytechnic and graduated in 1980. She started her own business in 1985. But she did not stop developing herself. She then studied at the University of Hong Kong. Since 1987，she had spent a lot of time on photography. She has held several exhibitions of her work in many placesChina, New Zealand and Paris. She still found time, however, to work on TV, write for newspapers and bring up her family. The girl from the street has come a long way, but her journey is not finished yet. (1)、Before Mary Cheung was brought to the orphanage， she had lived in the streets for many years. _A：TB：F答案：A (2)、The sentence orphanage girls could be something means that orphanage girls could be popular and successful. _A：TB：F答案：A (3)、Her life changed in 1985. _A：TB：F答案：B (4)、This passage is probably taken from a novel. _A：TB：F答案：B (5)、Marys boyfriend was good at English. _A：TB：F答案：A 54、 Babies love chocolate and sometimes they also eat the paper around it. My cat enjoys a meal of good，thick paper，old letters, for example. She doesnt like newspapers very much. Of course，the best paper comes from wood. Wood comes from trees，and trees are plants. Vegetables and fruit and plants too，and we eat a lot of them. So can we also eat wood and paper? Scientists say，All food comes in some way from plants. Well，is that true? Animals eat grass and grow fat. Then we eat their meat. Little fish eat little sea-plants; then bigger fish swim along and eat the. Chickens eat bits of grass and give us. Think for a minute. What food does not come from plants in some way? Scientists can do wonderful things with plants. They can make food just like meat and cheese. And they can make it without the help of animals. It is very good food too. Now they have begun to say，We make our paper from wood. We can also make food from wood. The next thing is not very difficult. What is the next thing? Perhaps it isfood from paper. Scientists say，We can turn paper into food. It will be good，cheap food too; cheaper than meat or fish or eggs. So please keep your old books and letters. (Dont feed them to your cat.) One day，soon，they will be on your plate. There is nothing like a good story for breakfast. (1)、The best paper come from Wood. _A：TB：F答案：A (2)、From the passage，we can infer (推断) that few kinds of food do not come from plants in some way. _A：TB：F答案：A (3)、The main idea of the passage i