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题库 / OG2017V-SC-245
In 1974 a large area of the surface of Mercury was photographed from varying distances, which revealed a degree of cratering similar to that of the Moon's.
which revealed a degree of cratering similar to that of the Moon's
to reveal a degree of cratering similar to the Moon
revealing a degree of cratering similar to that of the Moon
and revealed cratering similar in degree to the Moon
that revealed cratering similar in degree to that of the Moon
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徘徊于D和C，没有看到后面similar to的比较关系，比较的是surface of M 和surface（that) of the Moon，放走了大的，看小的去了！！！
photographed的同时就会revealing，不需要两个时间步奏！！！！
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