求救贴
Responding to the public’s fascination with-and sometimesundue alarm over-possible threats from asteroids, a scaledeveloped by astronomers rates the likelihood that a particular asteroid or comet may collide with Earth.
A.a scale developed by astronomers rates the likelihoodthat a particular asteroid or comet may
B.a scale that astronomers have developed rates howlikely it is for a particular asteroid or comet to
C.astronomers have developed a scale to rate how likelya particular asteroid or comet will be to
D.astronomers have developed a scale for rating thelikelihood that a particular asteroid or comet will
E.astronomers have developed a scale that rates thelikelihood of a particular asteroid or comet that may
问题：我认为C很对但是我不知道D错哪里了。。。。 for rating? 可是OG里有类似用法 rate the likelihood? Will表意愿？求指点。。。
In 1981 children in the United States spent an average
of 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
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
E.chores, that figure growing to nearly six hours a week in 1997
问题：崩溃题。。。。 by time=要用完成时？弱弱的问C怎么了？Whereas用错了？有什么规定么。。。
Trans World Entertainment Corporation, which ownsthe Record Town and Saturday Matinee retail chains
,announced that since sales of up to one-fourth of its stores are poor, they will be closed.
A.that since sales of up to one-fourth of its storesare poor, they will be closed.
B.it is closing up to one-fourth of its stores, whichaccounted for its poor sales
C.it was closing up to one fourth of its storesbecause of poor sales.
D.to be closing, on account of poor sales, up to one-fourth of its stores.
E.having poor sales, such that up to one-fourth of its stores will be closed.
问题： announce后面可以省略that? D怎么了。。。 on account 错了？？
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
问题：我想问prevent from dissipating by 是什么个用法？Prevent from doing sth by sth?就是这么用的么？Dissipating by 到底是谁dissipating?
心烦意乱。。。。语法让我很崩溃。。。。
另外，我基本一套下来一共得错个78题，请问这水平对应什么分数段啊？
多谢各位同学。。。。请不吝赐教。。。。
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发表于 2010-8-28 17:34:22
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