Carbon _____ in a low-carbon challenge.
A. emissions
B. emit
C. emission
D. emitted
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汽油(选美国英语翻译)
A. oil
B. diesel
C. petrol
D. gas
汽油(选英国英语翻译)
A. oil
B. diesel
C. petrol
D. gas
柴油
A. oil
B. diesel
C. petrol
D. gas
本科学历
A. graduate degree
B. bachelor’s degree
C. bachelor
D. graduate