正确答案: D

雌蕊

题目：裸子植物没有( )。

解析：D

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举一反三的答案和解析：

[单选题]What is the researchers' understanding of tbe New Zealand study results?

The connection betweenTV and education levels is difficult to explain

[单选题]花单性是进行异花传粉的必要条件。( )

错误