Is that all right at this（）?

单项选择题Is that all right at this（）?

A.high
B.heigh
C.height
D.higher

1.单项选择题What’s the （）of the derrick?

A.SLW
B.LSW
C.SWL
D.FWE

2.单项选择题“SWL” means （）.

A. safe working load
B. safe work load
C. safe worked load
D. safely working load

3.单项选择题（）do you want the derrick adjusted?

A.What
B.Where
C.How
D.When

4.单项选择题Look, the derrick is too high. I want it adjusted （）.

A.upwards
B.forwards
C.downwards
D.backwards

5.单项选择题This cargo light is not （）enough. Please change it for a new one.

A.light
B.bright
C.tight
D.dark

6.单项选择题Where can the lights be fitted? （）

A. For two hours.
B. At once.
C. In the holds.
D. Tomorrow.

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

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

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

A.should
B.shouldn’t
C.must
D.can

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

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

10.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