题目内容

收费班长应坚持班前讲评制度,做到“看、查、问、讲”,请问具体内容是什么?

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对于无铰拱桥,拱脚允许被洪水淹没,但在任何情况下,拱顶底面应高出设计洪水位1.0m,且淹没深度不超过拱圈矢高f0的()。

A. 1/3
B. 2/3
C. 3/4
D. 1/2

从事批发业务的食品经营企业应当向购货者开具载有食品的名称、规格、数量、生产批号、保质期、购货者名称及联系方式、销售日期等内容的销售票据或者清单,不必加盖印章或者签字。

A. 正确
B. 错误

乐德是什么?

Your vessel is crossing a narrow channel.A vessel to port is within the channel and crossing your course.She is showing a black cylinder.What is your responsibility?()

A. hold your course and speed
B. sound the danger signal
C. begin an exchange of passing signals
D. do not cross the channel if you might impede the other vessel

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