下面哪种情形的环境质量最好()。
A.环境负荷低于涨停点
B.环境负荷低于下降点
C.环境负荷低于恢复点
D.环境负荷低于分离点
A.环境负荷低于涨停点
B.环境负荷低于下降点
C.环境负荷低于恢复点
D.环境负荷低于分离点
A.下降点、分离点、涨停点、恢复点 Descent point, separation point, culmination point, recovery point
B.分离点、下降点、涨停点、恢复点 Separation point, descent point, culmination point, recovery point
C.分离点、恢复点、涨停点、下降点 Separation point, recovery point, culmination point, descent point
D.分离点、涨停点、下降点、恢复 Separation point, culmination point, descent point, recovery point
A.下降点、分离点、涨停点、恢复点 Descent point, separation point, culmination point, recovery point
B.分离点、下降点、涨停点、恢复点 Separation point, descent point, culmination point, recovery point
C.分离点、恢复点、涨停点、下降点 Separation point, recovery point, culmination point, descent point
D.分离点、涨停点、下降点、恢复点 Separation point, culmination point, descent point, recovery point
A.[‘aa’,‘bb’,‘dd’]
B.[‘aa’,‘cc’,‘dd’]
C.[‘cc’,‘bb’,‘dd’]
D.[‘aa’,‘bb’,‘cc’,‘dd’]
A.{1: 'aa', 2: 'dd', 3: 'cc'}
B.{1: 'aa', 2: 'bb', 3: 'cc',2:'dd'}
C.{1: 'aa', 2: 'bb', 3: 'cc'}
D.{1: 'aa', 2: 'bb', 3: 'cc',2:'bb'}
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