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题库 / Prep2007E2-SC-88
Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one time repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because of mutual gravitational attraction.
repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because of
repeated impacts on the surface broke it apart, after which the fragments having rejoined with
through repeated impacts that the surface broke apart, after which the fragments subsequently rejoined by
the surface broke apart with repeated impacts, after which the fragments having rejoined through
the surface broke apart as a result of repeated impacts, after which the fragments rejoined through
E 选项中，which修饰的是什么？
after which' means the same thing as 'subsequently'
which修饰impacts
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