Thegovernmentairqualityinurban

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更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 434

The government __________ air quality in urban areas from level one to five ： excellent，fairly good, slightly polluted, poor and dangerous.

A．arranges

B．classifies

C．distributes

D．divides

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A．was trying

B．have tried

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A．adapted

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C．and then he learned	D．when he learned

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A．one

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It’s already 10’clock. I wonder how it ____ that she was two hours late on such a short trip.

A．came over

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