大学英语四级综合-40及答案解析.doc
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1、大学英语四级综合-40 及答案解析(总分:180.00,做题时间:90 分钟)一、Unit 2(总题数:4,分数:180.00)Passage OneWhen the Earth shook here on March 26th, 2000, it helped geologists to figure out how the Earth around Seattle would shake during the real thing less than a year later.When Seattles Kingdome was demolished with explosives, mo
2、re than 200 seismic recorders caught every rattle and roll. Tom Brocher of the U.S. Geological Survey says, “You can see the red waves traveling away from the Kingdome. “ The areas that shook the worst then also shook the worst when the six point eight (on the Richter scale) Nisqually earthquake hit
3、. “We shouldnt be surprised to see damage at Boeing field and at the port of Seattle where we did see damage, because in both of those areas the ground shook longer and harder than other parts of Seattle.“Its whats known as a slab quake (located) 36 miles below the surface where the Juan de Fuca pla
4、te slab is diving underneath the North American plate. Geologists believe the plate bent, causing it to crack, and sending shock waves to the surface.Tom Brother says, “As soon as we knew it was a deep earthquake-that it was this type of earthquake-we immediately put out the word that we should expe
5、ct very few aftershocks. “There were only 4. In San Franciscos Loma Prieta earthquake here in 1989 which was closer to the surface, there were 120 aftershocks. The fact that “deep-focus“ earthquakes have fewer aftershocks still puzzles geologists.Brocher says, “What we can tell people is youre not g
6、oing to have these (aftershocks). What we cant tell them why. And thats a research issue. “Geologists say the Nisqually quake originated from almost the same spot as the 1949 quake there, and had the same damage patterns. There were fewer landslides this year because of the lack of rain.Over the nex
7、t year and half, researchers want to set off explosives at the surface near Seattle, aimed at the slab 37 miles below. The waves will then bounce offthe slab and reflect back to the surface giving information about where the plate is and how its moving. So, before the Earth moves again, geologists w
8、ill have an idea which places might be destined to shake the hardest.(分数:45.00)(1).According to the passage, what caused the Earth around Seattle shake on March 26th, 2000?A. Nisqually earthquake. C. Loma Prieta earthquake.B. Explosives. D. Aftershocks.(分数:9.00)A.B.C.D.(2).If a real earthquake hits
9、Seattle, the areas that will be damaged most would be_A. airports C. portsB. the suburbs D. Boeing field and the port of Seattle(分数:9.00)A.B.C.D.(3).According to the geologists, how did the shock waves reach the surface?(分数:9.00)A.The plate slab bent, and then cracked, sending shock waves to the sur
10、face.B.The plate was demolished, sending shock waves to the surface.C.The shock waves traveled to the surface themselves.D.The shock waves originated from the surfac(4).If the earthquake focus was close to the surface,_A. there will be few aftershocks C. there will be a lot of aftershocksB. there wi
11、ll be a deep focus D. that will cause great damage(分数:9.00)A.B.C.D.(5).According to the passage, the researchers set off explosives in order to _(分数:9.00)A.demolish the useless buildings before the earthquakeB.destroy the plates that may cause earthquakesC.make sure which plates cause earthquakesD.f
12、igure out which places might shake the hardestduring the earthquakePassage TwoNot content with its doubtful claim to produce cheap food for our own population, the factory farming industry also argues that “hungry nations are benefiting from advances made by the poultry industry“. In fact, rather th
13、an helping the fight against malnutrition(营养不良) in “hungry nations“, the spread of factory farming has, inevitably aggravated the problem.Large-scale intensive meat and poultry production is a waste of food resources. This is because more protein has to be fed to animals in the form of vegetable mat
14、ter than can ever be recovered in the form of meat. Much of the food value is lost in the animals process of digestion and cell replacement. Neither, in the case of chicken, can one eat feathers, blood, feet or head. In all, only about 44% of the live animal fits to be eaten as meat.This means one h
15、as to feed approximately 9-10 times as much food value to the animal than one can consume from the carcass. As a system for feeding the hungry, the effects can prove disastrous. At times of crisis, grain is the food of life.Nevertheless, the huge increase in poultry production is seen throughout Asi
16、a and Africa continues. Normally British or US firms are involved. For instance, an American based multinational company has this year announced its involvement in projects in several African countries. Britains largest chicken supplier, Ross Breeders, is also involved in projects all over the world
17、.Because such trade is good for exports, Western governments encourage it. In 1979, a firm in Bangladesh called Phoenix Poultry received a grant to set up a unit of 6,000 chickens and 18,000 laying hens. This almost doubled the number of poultry kept in the country all at once.But Bangladesh lacks c
18、apital, energy and food and has a large number of unemployed. Such chicken-raising demands capital for building and machinery, extensive use of energy resources for automation, and involves feeding chickens with potential famine-relief protein food. At present, one of Bangladeshs main imports is foo
19、d grains, because the country is unable to grow enough food to feed its population. On what then can they possibly feed the chicken?(分数:45.00)(1).In the passage the author argues that_(分数:9.00)A.efficiency must be raised in the poultry industryB.raising poultry can provide more protein than growing
20、grainC.factory farming will do more harm than good to developing countriesD.hungry nations may benefit from the development of the poultry industry(2).According to the author, in factory, vegetables _(分数:9.00)A.are easy for chickens to digestB.are insufficient for the needs of poultryC.are fully uti
21、lized in meat and egg productionD.are inefficiently converted into meat and poultry(3).Western governments encourage the poultry industry in Asia because they regard it as an effective way to _(分数:9.00)A.boost their own exportsB.alleviate malnutrition in Asian countriesC.create job opportunities in
22、Asian countriesD.promote the exports of Asian countries(4).The word “carcass“ (Line 2, Par(分数:9.00)A.3) most probably means _A. vegetables preserved for future useB. the dead body of an animal ready to be cut into meatC. expensive food that consumers can hardly affordD. meat canned for future consum
23、ption(5).The last paragraph is the authors _(分数:9.00)A.detailed analysis of the ways of raising poultry in BangladeshB.great appreciation of the development of poultry industry in BangladeshC.critical view on the development of the poultry industry in BangladeshD.practical suggestion for the improve
24、ment of the poultry industry in BangladeshPassage Three“Hi there. Hows it going?“Oh, fine. Fine. How about this weather, huh?“Well, I guess we can always use the rain.“Whats that? This story? Oh, just a little look at small talk. You know, those seemingly meaningless conversations you have dozens of
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