【C2】
A. denied
B. reproduced
C. replaced
D. reduced
对机体能量代谢影响最为显著的因素是
A. 寒冷
B. 进食
C. 高温
D. 精神活动
E. 肌肉活动
". . . but do not take to them" (Line 4, Para. 1) is closest in meaning to______.
A. they don't eat them
B. they have no interest in them
C. they don't eat them in other places
D. they eat them only when asked
How can fuel economy be improved？
A. By filling up the gas tank off the highway.
By avoiding the inconvenience of a tow car.
C. By considering transportation fees wisely.
D. By keeping your car in good condition.
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