正确答案: A

正确

题目：蕨类植物为有胚植物。( )，

解析：A

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举一反三的答案和解析：

[单选题]西周实行的宗法制在秦汉以后仍有重大影响，其主要表现是

嫡长子继承制

[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]29________

instantly