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关于WHILE

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楼主
发表于 2010-2-27 12:05:13 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Performing a risky maneuver that required precision flying, not only did space shuttle astronauts

retrieve an orbiting satellite, it was done simultaneously while avoiding being rear-ended by a

passing ultraviolet telescope.



(A) not only did space shuttle astronauts retrieve an orbiting satellite, it was done simultaneously

while avoiding

(B) not only was an orbiting satellite retrieved by space shuttle astronauts, but they also

simultaneously avoided

(C) an orbiting satellite was retrieved by space shuttle astronauts who also avoided simultaneously

(D) space shuttle astronauts retrieved an orbiting satellite, simultaneously while avoiding

(E) space shuttle astronauts retrieved an orbiting satellite and simultaneously avoided
B simultaneously while语意重复。

想请教大家 那为什么WHILE AT THE SAME TIME 就是对的呢 PREP里的题

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沙发
 楼主| 发表于 2010-2-27 19:37:53 | 只看该作者
UPUP
板凳
 楼主| 发表于 2010-2-28 11:56:52 | 只看该作者
UPUP~~~~~~~~
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