各位高手求助一道题 OG 10 49

cedricwen · 发表于 2010-9-28 15:30:30

49.The cameras of the Voyager II spacecraft detected six small, previously unseenmoons circling Uranus, which doubles to twelve the number of satellites nowknown as orbiting the distant planet
(A) whichdoubles to twelve the number of satellites now known as orbiting
(B) doublingto twelve the number of satellites now known to orbit
(C) which doubles to twelve the number of satellites now known in orbitaround
(D) doubling to twelve the number of satellites now known asorbiting
(E) whichdoubles to twelve the number of satellites now known thatorbit

答案选择B
为什么不选择D
为什么 now known to orbit 比now known as orbiting好？

zoemiaoer · 发表于 2010-9-28 22:50:11

be know to do, 没有be know doing的结构

zoemiaoer · 发表于 2010-9-28 22:50:46

没看到那个as，当然to orbit好

各位高手求助一道题 OG 10 49

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各位高手 求助一道题 OG 10 49

所属分类: GMAT考试

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各位高手求助一道题 OG 10 49