正确答案: C

400mm以上

题目：我国森林分布区的年降水量一般在（ ）

解析：C

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举一反三的答案和解析：

[单选题]男性尿道最狭窄处在 （ ）

尿道外口

[单选题]教育产生于( )

人类特有的生产劳动

[单选题]唯物辩证法的矛盾范畴是( )

主观世界最普遍的对立统一关系的概括和反映

解析：D【解析】“A”、“B”是对规律范畴的解释；“C”是生活中的逻辑矛盾；“D”才是对唯物辩证法的矛盾范畴的正确理解。

[单选题]Passage ThreeMy husband and children feel very happy to live here. They can't see that we live on a dirty street in a dirty house among people who aren't good. They can't see that our neighbors have to make happiness out of all this dirt. I decided that my children must get out of this. The money that we've saved isn't nearly enough.

is unhappy with the life they are living

解析：参见第一段。

[单选题]It can be inferred from the passage that early historians of women’s labor in the United States paid little attention to women’s employment in the service sector of the economy because________．

employment in the service sector seemed to have much in common with the unpaid work associated with homemaking

解析：本题和上题的根据同出一处，根据上题答案，选项D正确，服务行业之所以所以少受早期历史学家关注，是因为它看上去和妇女无报酬的家务劳动太相像。