______the universe could never die was once believed by scientists.A.ForB.WhyC.ThatD.While

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______the universe could never die was once believed by scientists.

A.For

B.Why

C.That

D.While

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。