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题库 / Prep2007E2-SC-127
The army cutworm moth is a critical source of fat for as many as a third of Yellowstone National Park's grizzly bears; they overturn rocks to find them, as many as 40,000 per bear in a single day.
bears; they overturn rocks to find them, as many as
bears; overturning rocks to find the insects, up to
bears, overturning rocks to find them, as many as
bears, and they overturn rocks to find them, up to
bears, which overturn rocks to find the insects, as many as
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ron：the gmat will only do the second of these,so you can rest assured that the personal pronouns (who, whom, he, she, him, her) will be used only for human beings.GMAT里只会考察who指代人，不会考察动物拟人化，所以指代动物时统统用which
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