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问题 单项选择题

各级人民代表大会常务委员会对本级人民政府、（）的工作实施监督，促进依法行政、公正司法。

A、人民代表大会

B、民主党派

C、人民法院和人民检察院

D、社会团体

答案

参考答案：C

填空题

只有激振力频率等于或接近于（）时，叶片才发生共振。
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单项选择题

The Customs surveillance zone include following places except ______.

A．Any seaport, railway and high way station, airport, border pass or international postal matter exchange where there is a Customs establishment
B．any place where Customs control is conducted
C．any place without a Customs establishment but which has been approved by the state council as a point of entry and exit
D．any place along the border of the country
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