试题与答案

下列说法正确的是( ) A.大米是由子房发育成的 B.能榨出花生油的部分是由受精

题型:选择题

题目:

下列说法正确的是( )

A.大米是由子房发育成的

B.能榨出花生油的部分是由受精极核发育成的

C.去掉一朵桃花的花柱,这朵花仍能结出果实

D.豆芽的可食用部分是由受精卵发育成的

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:Bruton病,每月一次静脉注射两种球蛋白,可作为替代治疗,以防治感染。

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