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标题: 妈呀GWD26 37这题没人讨论吗？？ [打印本页]

作者: sunjin1988 时间: 2009-10-12 14:59
标题: 妈呀GWD26 37这题没人讨论吗？？

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 of different 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 消失 by

D. its acoustic energy prevented from being dissipated as a result of

E preventing its acoustic energy from dissipating by

这道题答案是C 请问E错在哪里？？

作者: sunjin1988 时间: 2009-10-12 16:08

作者: amumu 时间: 2009-10-12 16:13
后面是一个独立主格，修饰Sound。

如果是E的话，Preventing的发出者不明：Sound？不对；前面整个句子，也不对。

作者: sunjin1988 时间: 2009-10-12 16:33
独立主格有什么标志请问

作者: amumu 时间: 2009-10-12 16:40
Prep语法笔记上有得，那个文件内容不能copy，lz自己找找看？

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