题目内容

种群平衡是指种群的出生率和死亡率相等。（）

A. 正确
B. 错误

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二氧化碳和氮气都能直接参与植物的生理代谢。（）

A. 正确
B. 错误

You have to see these changes in______: they're part of a larger plan.

A. precedence
B. context
C. assortment
D. coverage

下列哪个命令用于保存来自Cisco控制器CLI的配置？

A. wr em
B. copy run start
C. save config
D. Save

The unruly crowd became even more______when the negotiator tried to quiet them.

A. bombastic
B. boorish
C. boisterous
D. bloated