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问题 单项选择题

以蓄水工程作为水源地时，地表取水水源论证范围应包括（）。

A.蓄水区和来水区

B.来水区和供用水区

C.蓄水区和供用水区

D.蓄水区、来水区和供用水区

答案

参考答案：D

单项选择题

出现酸雨的主要原因是( )。

A．二氧化硫

B．二氧化氮

C．一氧化碳

D．二氧化碳
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单项选择题

What can be inferred from the passage a. There is no obvious reason for the unbalanced distribution of dyslexia in the world. b. The existing theories about dyslexia are solid and conclusive. c. There are underlying reasons for the differences with dyslexic problems with different peoples. d. The relatively lower number of its people suffering from dyslexia in Japan may be attributed to its reading and writing system.
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