地下水水质监测的监测项目不包括( )。A．(A) pH B．(B) 氨氮 C．(C)_爱下问搜题

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问题单项选择题

地下水水质监测的监测项目不包括( )。

A．(A) pH

B．(B) 氨氮

C．(C) 生化需氧量

D．(D) 总硬度

答案

参考答案：C

解析：地下水水质监测的有机污染综合指标是高锰酸盐指数。

改错题

短文改错。此题要求改正所给短文的错误。对标有题号的每一行作出判断：如无错误，在该行右边
横线上划一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
该行多一个词：把多余的词用斜线(\)划掉，在该行右边横线上写出该词，并也用斜线划掉。
该行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
该行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。

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填空题

相机抉择指货币当局或中央银行在不同时期，应根据______，灵活机动地选择不同的货币政策，以达到当时最需要达到的政策目标。