题目内容

关于酸碱滴定的突跃范围，Ka不变，c越小，突跃范围越宽。

A. 对
B. 错

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关于酸碱滴定的突跃范围，c不变，Ka越大，突跃范围越宽。

A. 对
B. 错

In ahydrologic cycle, there are processos of ( )

A. Precipitation
B. Interception
C. Infiltration
D. Groundwater recharge

What factors determine the population growth?

A. birth rate
B. death rate
C. immigration rate
D. emigration rate

Freshwater is hyperosmotic.

A. 对
B. 错