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It is believed that part of animals can’t stay alive in water at 1,500 meters be

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It is believed that part of animals can’t stay alive in water at 1,500 meters be

It is believed that            part of animals can’t stay alive in water at 1,500 meters below ____

sea level.

       A.不填;不填     B.a; a   C.the; the     D.不填; the

试题答案

A