精囊液占精浆的（）。 A.5%～10% B.15%～30% C.40%～50% D._爱下问搜题

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问题单项选择题

精囊液占精浆的（）。

A.5%～10%

B.15%～30%

C.40%～50%

D.50%～80%

E.70%～90%

答案

参考答案：D

选择题

With so many evidence against him he had to____ his errors openly.

A．refuse

B．acknowlege

C．declare

D．recognize

问答题简答题

哪个国家是“玉米之乡”？