培训教材编写原则是（）。A、以国家职业技能鉴定为依据的原则 B

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问题多项选择题

培训教材编写原则是（）。

A、以国家职业技能鉴定为依据的原则

B、初中应掌握的基础知识为原则

C、等级制原则

D、总结的实践经验

E、技能向导原则

答案

参考答案：A, C, E

单项选择题

单曲砖拱与房屋的前后檐相接处，应留出按（）伸缩的空隙。

A.5mm

B.5~l5mm

C.20~30mm

D.50mm

单项选择题

（）of the following need not be entered in the official logbook?

A.The testing of the internal combustion engine driven emergency generator at least once each month the vessel is navigated

B.The testing of storage betteries for emergency lighting and systems once each 6 months the vessels is navigated

C.The actual draft when the vessel arrives in salt water after department a port

D.The testing of the line-throwing appliance once every 3 months