题目内容

Bright light from such big cities as Los Angeles has reduced the scientific value

A. Right
B. Wrong
C. Not mentioned

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John is crazy about pop music.

Red is peculiar to male animals，which is connected with aggression in many animals．

A. Right
B. Wrong
C. Not mentioned

下列规范性文件中，属于行政法规的是（）。

根据下列材料请回答 16～22 题：
第 16 题 Genera Technologies has developed a method that determines whether water is clean.