Providing initial evidence that airport are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O’Hare International Airport is twice as much as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.
A.as much annually as is emitted by the
B.that emitted annually by all
C.that emitted annually compared to the
1. GWD-23-Q20
Both the Federal Reserve’s decision that borrowing rates be raised, along with investor’s speculation that another increase might be on the way, helped bolster the dollar in recent weeks by making deposits more attractive.
A.to raise borrowing rates and investors’ speculation that another increase might be on the way helped to bolster the dollar in recent weeks by making
B.to raise borrowing rates and investors’ speculation of possibly another increase on the way helped bolster the dollar in recent weeks because they made
13. GWD-23-Q31
According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.
A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems
C. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems
In 1981 children in the United States
spent an averageof slightly less than two and a half hours a week doinghousehold chores; by 1997 they had spent nearly six hours a week.
A.chores; by 1997 they had spent nearly six hoursa week
B.chores; by 1997 that figure had grown to nearlysix hours a week 怎么能用过去完成式？没有过去的过去
C.chores, whereas nearly six hours a week werespent in 1997
D.chores, compared with a figure of nearly six hours a week in 1997
Traffic safety officials predict that drivers willbe equally likely to exceed the proposed speed limit as the current one. 为什么equally不行，且比的是宾语不是主语，为什么加上they are？？？
A.equally likely to exceed the proposed speedlimit as
B.equally likely to exceed the proposed speed limit as they are
Cas likely to exceed the proposed speed limitas they are
Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers ofdifferent temperatures and densities.
A.prevented from dissipating its acoustic energy as a result of
B.prevented from having its acoustic energy dissipated by
C.its acoustic energy prevented from dissipating by
D.its acoustic energy prevented from being dissipated asa result of
E preventing its acoustic energy from dissipating by
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发表于 2010-11-16 19:58:53
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