问题
单项选择题
Loss and damage ration for motor are lower than any other modes. Is it correct?（）
A. Yes
B. Depend
C. Not
D. I don’t know
答案
参考答案：C
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Loss and damage ration for motor are lower than any other modes. Is it correct?（）
A. Yes
B. Depend
C. Not
D. I don’t know
参考答案：C