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【多选题】
下面哪条是水质污染的原因( )。A.
在空气湿度较高的房间敷设给水管道
B.
非饮用水或其他液体倒流人生活给水系统
C.
贮水池管理不当
D.
贮水箱的制作材料或防腐涂料选择不当
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反馈参考答案：
举一反三
【单选题】The perspective from which the author discusses social control is______.
A.
biological
B.
sociological
C.
psychological
D.
anthropological
【单选题】A linguistic ______ refers to a word or expression that is prohibited by the 'polite' society from general use.
A.
slang
B.
euphemism
C.
jargon
D.
taboo
【单选题】—The passage is too hard to understand. —Yes, ________ it's very short and there are no new words in it.
A.
so
B.
as
C.
because
D.
though
【单选题】Though Confucius has long gone， his powerful ideas undoubtedly __ Chinese soci-ety and tradition.
A.
shaped
B.
formed
C.
laid
D.
made
【简答题】Société :________________
【单选题】— How do you like the new book? — There are _____ new words in it. It's too difficult for me. [ ]
A.
little
B.
few
C.
so much
D.
so many
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