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标题: T4-Q30 [打印本页]

作者: cookercai 时间: 2008-1-14 20:08
标题: T4-Q30

Unlike the short flights of the shuttle and earlier spacecraft, which carried sufficient power in fuel cells and batteries, a permanently orbiting space station will have to generate its own electricity.

the short flights of the shuttle and earlier spacecraft, which carried sufficient power in fuel cells and batteries
the shuttle and earlier spacecraft, with sufficient enough power in fuel cells and batteries for their short flights
the short flights of the shuttle and earlier spacecraft, which enabled them to carry sufficient enough power in fuel cells and batteries
the shuttle and earlier spacecraft, which were capable of carrying sufficient power in fuel cells and batteries for their short flights
the flights of the shuttle and earlier spacecraft, whose shortness allowed them to carry sufficient power in fuel cells and batteries

答案：D

请分析一下B为什么不对呢？是不是sufficient和enough重复了？

[此贴子已经被作者于2008-1-14 20:08:46编辑过]

作者: boston8899 时间: 2008-1-14 20:19
I think it is redundant to include both.

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