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标题: PREP2-Q3 [打印本页]

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作者: evelyn205205    时间: 2011-6-27 22:14
标题: PREP2-Q3

Since the start of the space age, more and more littering has occurred in orbits near Earth, often because the intentional discarding of lens caps, packing material, fuel tanks, and payload covers.

(A) more and more littering has occurred in orbits near Earth, often because

(B) orbits near Earth have become more and more littered, often from

(C) orbits near Earth became littered more and more, often resulting from

(D) there have been more and more littering of orbits near Earth, often because of

(E) there had been littering more and more of orbits near Earth, often with

答案是B。我选的是D。
A,C,E就不用看了。
我就是想知道为什么D哪里不对？
我知道there be后面不能跟抽象名词。
但littering不是垃圾的意思吗，是这个意思的话是实义动词啊。

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作者: evelyn205205    时间: 2011-6-28 09:38
顶一下~

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作者: evelyn205205    时间: 2011-6-28 10:47
is there someone who can help me？？？

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作者: evelyn205205    时间: 2011-6-28 12:19
期待大家的帮助

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作者: kaolajiayou    时间: 2011-9-2 19:24
垃圾来源于……  比垃圾因为……更合语义

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作者: tianzuo    时间: 2014-8-6 12:23
这道题选B吧。

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