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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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If I write My blood glucose level is low, suggesting that I should eat, it's incorrect to use "a suggestion". A blood glucose level can suggest something, but the level itself is not a suggestion.
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