试题与答案

属于缺陷病毒的为() A.HBV B.HAV C.HCV D.HDV E.HEV

题型:单项选择题

题目:

属于缺陷病毒的为()

A.HBV

B.HAV

C.HCV

D.HDV

E.HEV

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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