1、 Humans have a very varied diet. We often eat food because we like it and not because it is good for us. In countries such as France and Britain, people eat foods with too much sugar. This makes them overweight, which is bad for their health. Eating too much red meat and animal products, such as but
2、ter, can also be bad for the health. Choosing the right food, therefore, has become an area of study in modern life. 1. We can infer from the text that humans and animals _. A. depend on one sense in choosing food B. are not satisfied with their food C. choose food in similar ways D. eat entirely di
3、fferent food 2. Which of the following eats only one type of food? A. the white butterfly. B. The small bird. C. the bear. D. The fox. 3. Certain animals change their choice of food when _. A. the season changes B. the food color changes C. they move to different places D. they are attracted by diff
4、erent smells 4. We can learn from the last paragraph that _. A. food is chosen for a good reason B. French and British food is good C. some people have few choices of food D. some people care little about healthy diet BOne sixth of undergraduates (本科生) in Beijing this year have registered at a drivi
5、ng school . The students , mostly from majors such as business management or international trade , will finish there driving courses within 20 days or so .Training costs have dropped to 2,600yuan for students , according to the Haidian Driving School in Beijing . The price is not really low , but st
6、udents will accept it , seeing it as an investment (投资) in their future . Familiarity with the operation of computers and fluent English are the basic skills graduating students need to find a job . But a drivers permit has become another factor. “In the job market , owning a drivers permit sometime
7、s strengthens a graduating students competitiveness for a good position ,” says Zhou Yang , an undergraduate at the China University of Political Science and Law .Cars will become a necessary part of many peoples lives in the coming years , and its difficult to get a permit out of campus because of
8、the pressures on working peoples time . “Having a full-time job after graduation offers limited time to learn to drive . We senior students have plenty of spare time , plenty of opportunities to learn.” Xu Jian , an official at the driving school, said undergraduates were very able and serious , and
9、 could grasp in an hour what it took ordinary people four hours to learn . In this driving school, middle-aged people , young women and college students are the main customers .To get a drivers permit , a beginner is now required to have at least 86 hours practice before the final road test .5The un
10、dergraduates are learning to drive because . Athey like to drive cars Bthey need this skill to find a good job . Cmost of them will be able to buy cars in the future Dthey want to become full-time drivers after graduation 6Which of the following is Xu Jians opinion of students learning to drive ? AH
11、e decided it was a waste of money and time . BHe thought they must learn it at school . CHe thought they would spend three times more time . DHe agreed that young people had an advantage in learning to drive .7Which of the following would be the best title of this passage ? AStudents Learn to Drive
12、BWelcome to Driving School CIts Better to Learn to Drive at College DStudents Pay Less to Learn to Drive Now CIn Western countries people have been using the installment (分期付款) plan since the first half of the twentieth century. Today, a large number of families in Great Britain buy furniture, house
13、hold goods and cars by installments. In the U.S.A., the figure is much higher than in Great Britain, and people there spend over 10 percent of their income on the installment plan. The price of an article bought on installments is always higher than the price that would be paid by cash. There is a c
14、harge for interest. The buyer pays one quarter or one third of the price as a down payment (预付定金) when the goods are delivered to him. He then makes regular payments, weekly or monthly, until the full price is paid up. The legal ownership of the goods remains with the seller until the final payment
15、has been made. Installment buying has advantages and disadvantages. It can help couples with small incomes to furnish their homes and start housekeeping. It increases the demand for goods, and in this way helps business and employment. There is, however, the danger that when business is bad, install
16、ment buying may end suddenly, making business much worse. This may result in a great increase in unemployment. If the people on the installment plan lose their jobs, they will probably not be able to make their payments. If great numbers of people are not able to pay their installment debts, there i
17、s a possibility that businessmen cannot collect their debts and will therefore lose money. If businessmen lose money or fail to make a satisfactory profit, it becomes more likely to have a depression (萧条) . This is why, in some countries, the government controls the installment plan by fixing the am
18、ount of the down payment and installments to discourage people from buying more than they can pay for on the installment plan.8. Which of the following is NOT TRUE about the installment plan? A. A lot of British families use the installment plan. B. More than 10 percent American families buy things
19、on installments. C. Americans depend more on installment than British people do. D. Americans spend one tenth of their income on installment buying.9. Goods bought on installments are more expensive than goods bought by cash because . A. the buyer has to pay extra money as interest B. the delivery o
20、f the goods charges extra money C. the buyer has to pay a down payment D. the service offered by installment plan charged extra money10. What will happen to a buyer if he fails to make the full payment for an item bought on installments? A. He might lose his job. B. He will stop owning the item he h
21、as bought. C. He will have to sell what he has bought. D. He will go into debt.11. In some countries, the governments control the installment plan to . A. increase employment B. avoid depressions C. ensure that businesses make good profits D. ensure that people can pay for what they buyDTrees should
22、 only be pruned (修剪) when there is a good and clear reason for doing so and , the number of such reasons is small . Pruning involves the cutting away of overgrown and unwanted branches , and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessar
23、ily than from leaving the tree to grow in its own way .First , pruning may be done to make sure that trees have desired shape or size . The object may be to get a tree of the right height , and at the same time to help the growth of small side branches , which will thicken its appearance or give it
24、a special shape . Secondly , pruning may be done to make the tree healthier . You may cut out diseased or dead wood , or branches that are rubbing against each other and thus cause wounds . The health of a tree may be encouraged by removing branches that are blocking up the center and so preventing
25、the free movement of air .One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease , but it is a wound that will heal (愈合) . Often there is a race between the healing and the disease as to whether the tree will live or die , so that there is a perio
26、d when the tree is at risk . It should be the aim of every gardener to reduce that risk of death as far as possible . It is important to make the area , which has been pruned , smooth and clan , for healing will be slowed down by roughness . You should allow the cut surface to dry for a few hours an
27、d then paint it with one of the materials available from garden shops produced especially for this purpose . Pruning is usually done in winter , for then you can see the shape of the tree clearly without interference (妨碍) from the leaves and also it is very unlikely that the cuts you make will bleed
28、 . If this does happen , it is , of course , impossible to paint them properly .12Why should pruning be done ? ATo make the tree grow taller . BTo improve the shape of the tree . Cto get rid of the small branches . DTo make the small branches thicker .13Trees become unhealthy if the gardener . ATo help a wound to dry . BTo cover a rough surface . Cdamages some of the small side branches Dallows too many branches to grow in the middle 14Why is a special painted on the tree? A.To help a wound to dry B. To
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