题目内容
（请给出正确答案）
[主观题]
Rescue vehicles had a hard time getting to people. A．RightB．WrongC．Not mention
Rescue vehicles had a hard time getting to people.
A．Right
B．Wrong
C．Not mentioned
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是货币和信用存在的共同前提。
A.商品经济的产生
B.社会分工
C.私有制
D.剩余产品的出现
