You should （）a close watch on the hatc...

单项选择题You should （）a close watch on the hatches.

A.look
B.give
C.keep
D.see

1.单项选择题You （）use hooks when discharging bagged cargo.

A.should
B.shouldn’t
C.must
D.can

2.单项选择题A little （）may cause great damage or loss.

A.care
B.careless
C.carelessness
D.careful

3.单项选择题Never operate hatch covers when the ship is（）.

A. in port
B. anchoring
C. rolling or pitching
D. at sea

4.单项选择题You are responsible for （）hatches today.

A.close
B.toclose
C.closing
D.closed

5.单项选择题The ship may （）to one side seriously.

A.pitch
B.roll
C.list
D.upset

6.单项选择题Please tell stevedores not to （）the derrick.

A.overload
B.load
C.unload
D.discharge

7.单项选择题Some general cargo is handled by （）.

A. shore cranes
B. heavy derricks
C. containers
D. equipment

8.单项选择题Don’t stand （）the derrick.

A.above
B.top
C.side
D.under

9.单项选择题Don’t shift the （）as you like.

A.guy
B.block
C.anchor
D.wheel

10.单项选择题Sometimes chemicals are carried in drums in （）.

A. chemical carriers
B. bulk carriers
C. general cargo ships
D. LNG carriers