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【单选题】
Cutting emissions of which one of the following pollutants dose not belong to the short-term strategy to deal with global warming?
A.
black carbon
B.
carbon dioxide
C.
methane and lower-level ozone
D.
HFCs
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错误
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A.
to have worried
B.
to worry
C.
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D.
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A.
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D.
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A.
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B.
working
C.
works
D.
worked
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