扫描二维码，直接登录
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
after which "preposition + WHICH" plays the same modifying role as does plain "which" -- namely, it modifies the noun preceding the comma. With "after which," you are referring to a period of time - one thing or event taking place after another thing or event. in the correct answer, "after which..." correctly modifies the immediately preceding noun "(repeated) impacts".
登录 或 注册 后可以参加讨论