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【判断题】
A/0工艺中O池主要对污水进行氨氮硝化和有机物碳化。
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】Passage Three In recent years there has been an increasing number of large oil spills. These spills, some of which have occurred directly at the site of extraction and others during tran...
A.
immediately
B.
after quite a long time
C.
few years later
D.
after several months
相关题目：
【单选题】Passage Three In recent years there has been an increasing number of large oil spills. These spills, some of which have occurred directly at the site of extraction and others during tran...
A.
immediately
B.
after quite a long time
C.
few years later
D.
after several months
参考解析：
题目纠错 0
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