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1、Almost like clones in their similarity to one another, the cheetah species’ homogeneity makes them especially vulnerable to disease.
A.the cheetah species’ homogeneity makes them especially vulnerable to disease B.the cheetah species is especially vulnerable to disease because of its homogeneity C.the homogeneity of the cheetah species makes it especially vulnerable to disease D.homogeneity makes members of the cheetah species especially vulnerable to disease E.members of the cheetah species are especially vulnerable to disease because of their homogeneity
2、The Environmental Protection Agency’ proposal to place restrictions on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, saying that the move will exacerbate the nation’s fuel supply problems.
A.on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, saying B.on both diesel fuel and engines have sparked the oil industry to counterattack, and they say C.on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, which says D.both on diesel fuel and engines has sparked the oil industry to a counterattack, saying E.both on diesel fuel and diesel engines have sparked the oil industry to counterattack, and it says
3、Researchers hypothesize that granitic soil is the ideal construction material for the desert tortoise because it is not so hard that it makes burrowing difficult or so soft that it could cause tunnels to collapse. A.so hard that it makes burrowing difficult or so soft that it could cause B.hard enough to make burrowing difficult or soft enough as to cause C.so hard as to make burrowing difficult or soft enough so it causes D.as hard as to make burrowing difficult or as soft as to cause E.too hard, making burrowing difficult, nor too soft, so as to cause
4、Drawing on her roots in a society that has a strong tradition of story-telling and oral renditions of the past, Indian writer Suniti Namjoshi incorporates many types of literature into her writing: including historical texts, legends, and even nursery rhymes from both Indian as well as European sources.
A.writing: including historical texts, legends, and even nursery rhymes from both Indian as well as B.writing: historical texts, legends, and even nursery rhymes from both Indian and C.writing: these include historical texts, legends, and even nursery rhymes from both Indian and D.writing, which includes historical texts, legends, and even nursery rhymes both from Indian as well as E.writing that includes historical texts, legends, and even nursery rhymes both from Indian and
5、Until recently, the lnuit people led a nomadic existence, sheltering in igloos, the ice-block domes that are peculiar to north-central Canada, and in structures made of stones, bones, driftwood, and skins.
A.Until recently, the Inuit people led a nomadic existence, sheltering B.During recent times, the Inuit people lead a nomadic existence, sheltering C.In the times that are recent, the Inuit people led a nomadic existence, sheltered D.Up until recently, the Inuit people, leading a nomadic existence, have sheltered E.Until recent times, leading a nomadic existence, the Inuit people were sheltered
7、In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week.
A.chores; by 1997 they had spent nearly six hours a week B.chores; by 1997 that figure had grown to nearly six hours a week C.chores, whereas nearly six hours a week were spent in 1997 D.chores, compared with a figure of nearly six hours a week in 1997 E.chores, that figure growing to nearly six hours a week in 1997
8、The computer company’ present troubles are a result of technological stagnation, marketing missteps, and managerial blunders so that several attempts to revise corporate strategies have failed to correct it.
A.so that several attempts to revise corporate strategies have failed to correct it B.so that several attempts at revising corporate strategies have failed to correct C.in that several attempts at revising corporate strategies have failed to correct them D.that several attempts to revise corporate strategies have failed to correct E.that several attempts at revising corporate strategies have failed to correct them
9、The Near Earth Asteroid Rendezvous (NEAR) spacecraft will orbit the asteroid Eros for a year, slowly moving closer to the surface of the object to make ever more precise measurements that scientists hope will enable them to understand how the solar system formed some four billion years ago.
A.to make ever more precise measurements that scientists hope will enable them to B.to make ever more and more precise measurements, which scientists are hoping to enable them C.for making ever more precise measurements, and scientists hope that they will be able to D.with the purpose of making more precise measurements than ever, and which scientists hope will enable them to E.in order to make more precise measurements than it ever did, and scientists are hoping they will be able to
10、In no other historical sighting did Halley’s comet cause such a worldwide sensation as did its return in 1910-1911.
A.did its return in 1910-1911 B.had its 1910-1911 return C.in its return of 1910-1911 D.its return of 1910-1911 did E.its return in 1910-1911
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