Unlikethe short flights of the shuttle and earlier spacecraft, which carriedsufficient power in fuel cells and batteries, a permanently orbiting spacestation will have to generate its own electricity.
A.the short flights of the shuttle and earlier spacecraft, which carriedsufficient power in fuel cells and batteries,
B.the shuttle and earlier spacecraft, with sufficient enough power in fuel cellsand batteries for their short flights,
C.the short flights of the shuttle and earlier spacecraft, which enabled them tocarry sufficient enough power in fuel cells and batteries,
D.the shuttle and earlierspacecraft, which were capable of carrying sufficient power in fuel cells andbatteries for their short flights,
E.the flights of the shuttle and earlier spacecraft, whose shortness allowed themto carry sufficient power in fuel cells and batteries,
prep解释说c中 which有enable约束只带the short filghts没问题。 请问怎么理解呢？为什么不可以理解成就近修饰spacecraft？ 作者: SiyangWu 时间: 2011-12-21 06:39
帮你顶：请教各位牛牛牛牛牛、、、、
1、which到底是指啥？the short flights of the shuttle and earlier spacecraft？还是两个中的一个？
2、那个them为啥指代不清？指代的不是the short flights of the shuttle and earlier spacecraft么？
3、those可以指物啊？（E选项）作者: sealg 时间: 2011-12-21 21:40
同问此题，为什么b不对？
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