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标题: 【求助GWD TN24 Q39】 [打印本页]

作者: 水色青空    时间: 2010-3-6 13:16
标题: 【求助GWD TN24 Q39】
37. GWD26-Q37

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
















答案选C,有人说是用独立主格解释......有没有人能说清楚.....我觉得好像没有涉及到独立主格啊~~~~~困惑ing~

作者: 水色青空    时间: 2010-3-6 13:26
顶~
作者: hughlv    时间: 2010-3-6 13:46
这是 名词 + 过去分词 结构的独立主格,相当于状语从句,一般放在句首,不过如果表原因的话也可放在句尾。这个跟语法书里的解释是一致的。

可以看看百度百科上的独立主格解释:http://baike.baidu.com/view/190765.htm




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