正确答案: B

错误

题目：苔藓植物已有了根、茎、叶的分化。( )

解析：B

查看原题

举一反三的答案和解析：

[单选题]双子叶植物的维管束一般排成一轮，而单子叶植物玉米的维管束则是散生在基本组织中。( )

正确

[单选题]ESuccessful people in international business understand the cultures of other countries and learn to change their practices in different cultures. They understand the importance of avoiding business decisions based on misconceptions-mistaken ideas.

to have a better idea of their own culture

[单选题]下列说法中错误的是:

SO2、SO3都是极性分子