At present, recycling is still one of the most expensive ways for dealing with the waste in America.
A. Right
B. Wrong
C. Not mentioned
查看答案
The narrowest definition of money is referred to as______.
A. M0
B. Ml
C. M2
D. M3
请选择（4）处的最佳答案．
A. falls
B. removes
C. results
D. comes
当发生人身触电事故时，应立即断开电源，使触电人员与带电部分脱离，并立即进行急救。在切断电源之前禁止其他人员直接接触触电人员。()
A. 正确
B. 错误
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