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标题: sc [打印本页]

作者: tangtiantian 时间: 2007-7-3 14:50
标题: sc

Astronomers have theorized that the Big Bang governs the behavior of interstellar dust, particles that comprise the atoms and molecules created in the progenitive explosion and persisting in even the emptiest regions of space.

a) persisting

b) persists

c) persisted

d) they persist

e) are persisting

OA is a, can anyone explain why ???

作者: nickynicky 时间: 2007-7-3 19:05
类似OG里面那个什么。。。spawn...extending

作者: bluebabka 时间: 2007-7-3 19:29

看句子结构

Astronomers have theorized that the Big Bang governs the behavior of interstellar dust, particles that comprise the atoms and molecules ((created in the progenitive explosion )and (persisting in even the emptiest regions of space)).

created和persisting同时都修饰the atoms and molecules, created表被动, persisting表主动

作者: tangtiantian 时间: 2007-7-4 10:35
Thank you very much!

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