正确答案: B

2

题目：适任证书被吊销_____年后，才可向原签发机关申请较低等级或职务的适任证书。

解析：B

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举一反三的答案和解析：

[单选题]The dockers are busy ________ their work

with

[单选题]液压马达的实际输出扭矩小于理论输出扭矩是因为( )。

A+C

[单选题]Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because________.

The direction of pressure on the journal in four-stroke engine is continuously

[单选题]目标管理属于满足一( )的激励因素。

自我实现的需要

[单选题]下列哪一项不是我国劳动法的内容___。

卫生检疫