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问题 判断题

防范是社会治安综合治理的首要环节，是落实综合治理其他措施的前提条件。( )

答案

参考答案：错

解析： 打击是社会治安综合治理的首要环节，是落实综合治理其他措施的前提条件。

单项选择题

How is the external flotation bladder of an immersion suit inflated?（）

A.It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track

B.It is inflated by a small CO2 bottle that is manually tripped

C.It is inflated by blowing through an inflation tube

D.It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein
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单项选择题

车床车身导轨面硬度应（）溜板导轨面的硬度。

A、高于

B、低于

C、等于
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