试行本主要适用于发文机关认为公文内容待一段时间的实践检验后可能将予修订的情况。（）
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资本主义经济危机实质是大量工人失业。（）
A. 正确
B. 错误
What is wrong with the vacuum cleaner？
A. It does not work.
B. It is too loud.
C. Some parts are missing.
D. It is difficult to push.
What does the cashier request from the woman？
A. Her receipt
B. Her credit card
C. Her phone number
D. Her vacuum cleaner
在农村人口的相对数量和绝对数量已经不大的城市化的后期阶段,城镇人口占总人口的比重在()。
A. 70%~80%
B. 60%~70%
C. 70%~90%
D. 80%~90%
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