A small light tackle with blocks of steel

题型:单项选择题

问题:

A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a().

A.snatch block

B.threefold purchase

C.handy-billy

D.chockablock

考点:航海英语船舶救生设备名称船舶救生设备名称题库
题型:单项选择题

正六边形的内角和为 _________ 度.

题型:单项选择题

公务员应当退休的条件是( )

A.完全丧失工作能力

B.工作满20年

C.工作满25年

D.工作满30年

题型:单项选择题

CH3OH与H2O分子之间存在的作用力是()。

A.色散力

B.色散力、诱导力

C.色散力、诱导力、取向力

D.色散力、诱导力、取向力、氢键

题型:单项选择题

A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the().

A.distress position

B.spoken words "Mayday,Mayday,Mayday"

C.ship's name

D.ship's call letters

题型:单项选择题

疲劳破坏的含义及特征是什么?

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