下列有关生态系统稳定性的叙述，不正确的是

【名词&注释】

公共利益(public interest)、禾本科植物(grass)、重要作用(an important role)、自我调节(self-regulation)、内部结构(internal structure)、生态系统稳定性(ecosystem stability)、国家保护、单层细胞(monolayer)、形式上的平等(nominal equality)、局部利益(partial interests)

[单选题]下列有关生态系统稳定性的叙述，不正确的是

A. 生态系统具有自我调节能力，这是生态系统稳定性的基础
B. 生态系统内部结构与功能的协调，可以提高生态系统稳定性
C. 生物多样性对维持生态系统稳定性具有重要作用，体现了其间接价值
D. 生态系统中的组成成分越多，食物网越复杂，生态系统恢复力稳定性就越强

查看答案&解析查看所有试题

学习资料：

[单选题]EHumans are naturally drawn to other life forms and the worlds outside of our own。We take delight in the existence of creatures and even whole societies Beyond our everyday lives.

A. This sense of wonder is universal. Look at the efforts that scientists（幻想）literature or movies like the lord of the rings. This sense of wonder draws us to each other，to the world around us ,and to the world of make-believe.but have we gone so far in creating worlds of fantasy that we are missing the pleasure of other worlds that already exist all around us?
B. Human beings，as biologists have suggested，possess an inborn desire to connect with and understand other life forms，However, people，especially in big eities，often lead rather isolated lives，In a study of British schoolchildren，it was found that children by age eight were much more familiar with characters from television shows and video games than common wildlife.without modem technology，a small Pond could be an amazing world filled with strange and beautiful plants，insects，birds，and animals 。when we lack meaning（交互）with the world around us,and somethings even with our families and friends，we seek to understand and communicate with things that exist only in our imaginations or on a computer screen。
C. The world of make-believe is not necessarily bad,but when the world of fantasy becomes the only outlet（出路）for our sense of wonder，then we are really missing something，we are missing a connection with the living world. Other wonderful wonderful worlds exist all around us.but even more interesting is that if we look closely enough，we can see that these worlds,in a broad sense,are really part of our own.
D. The popularity of the lord of the rings.proves
E. the close connection between man and the fantasy world
F. the wonderful achievements of fantasy literature
G. the fine taste of moviegoers around the world
H. the general existence of the sense of curiosity

[单选题]西方资本主义国家到处推销其民主，但事实上这种民主内含着一系列矛盾，如①理论上国家代表全社会利益与实际上国家保护资本特殊利益的矛盾

A. ②政治法律形式上的平等^{(nominal equality)}与社会经济事实上的不平等矛盾
B. ③民主主体的多样性与民主表达机制单一性的矛盾
C. ④代议制下局部利益^{(partial interests)}与公共利益的矛盾
D. ①②③
E. ②③④
F. ①③④
G. ①②④

[单选题]西洋参原产( )。

A. 西欧
B. 澳洲
C. 印度
D. 北美洲

[单选题]禾本科植物叶片和叶鞘相接处的腹面有一膜质的、向上突起的片状结构，称( )。

A. 叶环
B. 叶枕
C. 叶舌
D. 叶耳

[单选题]多室子房的隔膜是( )。

A. 胎座
B. 单层细胞^(monolayer)
C. 部分心皮
D. 心皮上的突起物

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