单项选择题开关舱的工作通常是由船员来做。()

A. The work of opening and closing hatches is usually done by crew members.
B. The work of opening and closing hatch covers is usually done by crew members.
C. The work of opening hatch covers is usually done by crew members.
D. The work of closing hatch covers is usually done by crew members.


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1.单项选择题装卸货之前,打开舱盖。()

A. After loading and discharging, hatch covers will be opened.
B. After loading and discharging, hatch covers will be closed.
C. Before loading and discharging, hatch covers will be opened.
D. Before loading and discharging, hatch covers will be closed.

2.单项选择题The running wheel runs along ()on top of the hatch coaming.

A. the guide rail
B. the guide rope
C. the side coaming
D. the guide roller

3.单项选择题Could you show me ()to open the hatch covers?

A.why
B.when
C.how
D.what

4.单项选择题If the hatch cover does not move, ()should be checked.

A. the open valve
B. the stop valve
C. the steam valve
D. the close valve

5.单项选择题To ensure the safety in operating hatch covers, oil the moving parts ().

A. monthly
B. every three months
C. once monthly
D. every two months

6.单项选择题During operation, the ()should check the working condition of the derrick.

A.foreman
B.operator
C.opener
D.stevedore

7.单项选择题()has more than ten percent broken wires. Stop using it at once.

A. The cargo runner
B. The cargo block
C. The derrick sling
D. The lashing wire

8.单项选择题It is flammable cargo. Keep it away from the ().

A.gangway
B.bow
C.boiler
D.stern

9.单项选择题()must be kept away from dry cargo.

A. Light cargo
B. Wet cargo
C. Heavy cargo
D. Bulk cargo

10.单项选择题Wet cargo must be kept away from () cargo.

A.dry
B.fragile
C.smelling
D.dangerous