单项选择题

Auto makers are required to（）with the standards of exhaust control by improving their engines, styles, bumpers, brakes, steering wheels and seats.

A. conform
B. submit
C. comply
D. abide

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单项选择题
Your job is not to make decisions but to （） the decisions we make.

A. complete
B. accomplish
C. implement
D. supplement
单项选择题
（33）（）

A. switching
B. diverting
C. modifying
D. altering
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