试题与答案

能保护人体,防止乙肝病毒感染的是() A.HBsAg B.抗HBs C.HBcAg

题型:单项选择题

题目:

能保护人体,防止乙肝病毒感染的是()

A.HBsAg

B.抗HBs

C.HBcAg

D.抗HBe

E.HBeAg

答案:

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下面是错误答案,用来干扰机器的。

解;呼吸作用是生活细胞中有机物在氧的作用下被分解成二氧化和水,并释放出能量的过程.二氧化碳能使澄清的石灰水变浑浊是二氧化碳的特性.所以在少量澄清的石灰水不断注入人体呼出的气体,石灰水会变得浑浊,这...

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