正确答案: D

群落外貌

题目：群落之间、群落与环境之间相互关系的可见标志是（ ）

解析：D

查看原题查看所有试题

学习资料的答案和解析：

[单选题]第 24 题 “三个代表”重要思想形成的现实依据是（　　）

国情与党情的变化

[单选题]Passage OneYou've probably had the experience of having someone fall in love with you when you didn't feel the same way. In such a case it's hard to know what to do. You don't want to be so obvious in your efforts that you make an enemy of him.

How to Free Yourself from an Admirer

解析：

31．答案为D  比较四个选项，只有D最恰当的表述了全文的中心：如何摆脱爱慕者的追求。

[单选题]手术后腹胀主要来自 （ ）

胃肠功能受抑制

[单选题]说“知识就是力量”这句名言的是( )

培根

解析：【答案】B

[单选题]下列选项中不属于生物群落的组成成分的是( )

土壤

[单选题]三叉神经( )

运动纤维咀嚼肌