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题库 / Prep2007E2-SC-122
The features of the floor of the Kasei Valles on Mars look just like those at the base of Antarctic ice streams, so it suggests that possibly it was flowing ice that carved the giant Martian channels previously attributed to cataclysmic floods.
so it suggests that possibly it was flowing ice that
a suggestion that flowing ice may have
to suggest flowing ice as possibly having
suggesting that flowing ice may have
which is suggestive of flowing ice having possibly
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james voiced the idea of going out for pizza, a suggestion that was well received by his hungry friends. 这里主句的内容就可以用suggestion来概括。
A do B， doing C，如果觉得是A do B 这整个事情在doing C，那其实就是A 在do C。
个人观点：,+n 同位语逗号之前部分的核心词是look like，但逻辑上look like不等于suggestion。相比之下D选项features suggests了某个假设更合理一些。
sorry更正一下。features suggest... ^^;;;
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