[外语类试卷]大学英语四级(阅读)模拟试卷25及答案与解析.doc
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1、大学英语四级(阅读)模拟试卷 25及答案与解析 Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice. 0 Theres a world paper shortage. Theres a natio
2、nal bottle【 1】 , and were running out of raw materials like timber and tin or so the papers say. Well, Ive just emptied my shopping basket after my【 2】 shopping trip and it was full of things made from these【 3】 materials. Half of what Id bought I threw away at once; all those unnecessary paper bags
3、, plastic bags, fresh【 4】 paper and old newspapers they put the food in nowadays. Modern packaging makes shopping cleaner and more convenient, but at what【 5】 ? Every time you throw away a paper bag youre throwing away part of a tree and trees dont grow【 6】 ! At this rate there soon wont be any tree
4、s left, and then what shall we do? Perhaps well learn to do what my mother did. She used to keep a store of paper bags in a kitchen【 7】 and use them again and again for her shopping. Most goods were sold【 8】 in those days. And the shopkeeper weighed out the amount you wanted. Of course, liquid goods
5、 have always been【 9】 in bottles or cans, but why cant we use them more than once? If we【 10】 all our bottles we would save on the raw materials and energy needed to make new ones. Its time we started to think seriously about the growing shortage of raw materials in the world today. A. drawer B. sel
6、dom C. weekly D. reused E. cost F. verify G. overnight H. wrapping I. enclosed J. loose K. sold L. shortage M. scarce N. partial O. ban 1 【 1】 2 【 2】 3 【 3】 4 【 4】 5 【 5】 6 【 6】 7 【 7】 8 【 8】 9 【 9】 10 【 10】 10 Hungry prehistoric hunters, not climate change, drove elephants to extinction during the
7、Pleistocene era (更新世 ), new research suggests. At least 12 kinds of elephants【 1】 to wander about the African, Eurasian, and American continents. Today, only two【 2】 of elephants are left in South Asia and Africa. One theory for this dramatic death holds that rapid climate shifts at the end of the m
8、ost recent major ice age, some 10,000 years ago,【 3】 vegetation and broke up habitats (栖息地 ), causing the death of those unable to adapt to the new conditions. Another【 4】 blames prehistoric humans, whose improved weapons and hunting techniques allowed them to wipe out whole herds of elephants. To h
9、elp【 5】 the debate, archaeologist Todd Surovell of the University of Wyoming, and colleagues tested two assumptions. If humans caused the elephant extinction, Surovell reasoned, the timing of the die-off in【 6】 regions should match human expansion into those regions. On the contrary, if the extincti
10、on was【 7】 to climate change, elephants should remain in regions【 8】 colonized by humans and would only begin to die off once climate change occurred. The team tested both theories by analyzing where and when elephants were killed. In all, the study included 41 archaeological sites on five continent
11、s. The researchers found that, as humans【 9】 out of Africa, they left a trail of dead elephants behind them. The creatures disappear from the fossil record of a region once it became colonized by humans. Modern elephants survived in refu ges【 10】 to humans, such as tropical forests, says Surovell. A
12、. uninviting B. migrated C. declined D. due E. memorial F. specific G. already N. used I. hypothesis J. endurance K. resolve L. polish M. altered O. species 11 【 1】 12 【 2】 13 【 3】 14 【 4】 15 【 5】 16 【 6】 17 【 7】 18 【 8】 19 【 9】 20 【 10】 20 Better think twice before choosing a password for emails, o
13、nline bank accounts and airline tickets. Passwords that show no imagination or【 1】 are easy prey (捕获物 ) for information pirates (劫掠者 ), a new US study says. A(n)【 2】 analysis of 28,000 passwords recently stolen from a popular US website and posted on the Internet【 3】 that people often do the easy th
14、ing. It found that 16 percent took a first name as a password,【 4】 their own or one of their childrens, according to the study published by Information Week. Another 14 percent relied on the easiest keyboard【 5】 to remember such as “1234“ or “12345678.“ For those using English keyboards, “QWERTY“, w
15、as popular. Likewise, “AZERTY“ 【 6】 with people with European keyboards. Five percent of the stolen passwords were names of television shows or stars popular with young people like “hannah,“【 7】 by singer Hannah Montana. “Pokemon,“ “Matrix,“ and “Ironman“ were others. The word “password,“ or easy to
16、 guess variations like “passwordl,“ accounted for four percent. Three percent of the passwords expressed【 8】 like “I dont care,“ “Whatever,“ “Yes“ or “No.“ There were【 9】 choices “Iloveyou“ and their opposite “Ihateyou.“ Robert Graham, of the company Errata Security, which did the analysis and publi
17、shed the conclusions, advises that to better protect against cyber【 10】 : “choose a password that is longer than eight characters with one capital letter and one symbol.“ A. invasion B. critical C. combinations D. attitudes E. furnished F. uniqueness G. reveals H. scored I. generally J. liberates K.
18、 emotional L. statistical M. conversely N. principle O. inspired 21 【 1】 22 【 2】 23 【 3】 24 【 4】 25 【 5】 26 【 6】 27 【 7】 28 【 8】 29 【 9】 30 【 10】 30 The French division of McDonalds has run advertisements that included a surprising 【 1】 : Kids shouldnt eat at McDonalds more than once a week. The adv
19、ertisements,【 2】 information from specialists, aim to show that “McDonalds meals are part of a balanced weekly diet,“ said Euro RSCG, the agency that came up with the ads, which appeared this spring, mostly in French womens magazines. Alongside quotes from specialists addressing【 3】 and diets for ch
20、ildren, the ads described how McDonalds hamburgers are made of 100 percent real beef and cooked on a grill free of【 4】 oil. One ad placed in Femme Actuelle in April quoted a nutritionist who said, “theres no reason to【 5】 fast food, or visit McDonalds more than once a week.“ The McDonalds Corp., bas
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- 外语类 试卷 大学 英语四 阅读 模拟 25 答案 解析 DOC
