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标题: T4-30 [打印本页]

作者: llxx1985cn    时间: 2007-6-8 17:58
标题: T4-30

(1)     T-4-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.

  1. the short flights of the shuttle and earlier spacecraft, which carried sufficient power in fuel cells and batteries

  2. the shuttle and earlier spacecraft, with sufficient enough power in fuel cells and batteries for their short flights

  3. the short flights of the shuttle and earlier spacecraft, which enabled them to carry sufficient enough power in fuel cells and batteries

  4. the shuttle and earlier spacecraft, which were capable of carrying sufficient power in fuel cells and batteries for their short flights

  5. the flights of the shuttle and earlier spacecraft, whose shortness allowed them to carry sufficient power in fuel cells and batteries

答案说选D, 可是我觉得不应该用were啊? 请教大家~~


作者: llxx1985cn    时间: 2007-6-8 20:05
up
作者: qianrene    时间: 2007-6-8 22:51
earlier spacecraft




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