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问题 单项选择题

建设项目竣工环境保护验收时，对于评价检测结果，大气污染物综合排放标准是按监测期间污染物的( )进行评价的。

A．小时浓度
B．日均浓度
C．月均浓度
D．最高排放浓度

答案

参考答案：D

填空题
在☆里填上“+”、“-”、“×”、“÷”。
8☆2=43☆5=15
8☆4=427☆9=3
24☆6=183☆7=21
20☆5=48☆8=1
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单项选择题

Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.

A.makes no change at all

B.is somewhat lower than it would be for winds from a northern quadrant

C.is uncertain and may fluctuate by increasing and decreasing

D.is somewhat higher than it would be for winds from the northern quadrant
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