正确答案: A

配子体世代，核相为n

题目：裸子植物的胚乳是( )。

解析：A

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举一反三的答案和解析：

[单选题]Nine in ten parents said there were significant differences in their approach to educating their children compared with __ of their parents.

that

[单选题]

B． Robert C． Henley D． John

LloydB． Robert

[单选题]云杉属小枝具( )。

叶枕