The cameras of the Voyager II spacecraft detected six small, previously unseen moons circling Uranus, which doubles to 12 the number of satellites now known as orbiting the distant planet.
原题如下： 71. The cameras of the Voyager II spacecraft detected six small, previously unseen moons circling Uranus, which doubles to 12 the number of satellites now known as orbiting the distant planet. (A) which doubles to 12 the number of satellites now known as orbiting (B) doubling to 12 the number of satellites now known to orbit (C) which doubles to 12 the number of satellites now known in orbit around (D) doubling to 12 the number of satellites now known as orbiting (E) which doubles to 12 the number of satellites now known that orbit
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发表于 2009-8-23 01:21:00
