[問題]天山4-Q30

由 **twkevin** » 2005-02-20 00:06

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.

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

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

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

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

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

Answer: D

我想問一下
我是利用沒劃線的will have to generate its own electricity.
從A,D 兩者語意中選了D

不過有點擔心去改到句意
請教大家是如何區分 thanks,