單項(xiàng)選擇題When the truck does not work, the driver should（）engines.

A.turn on
B.turn off
C.shut up
D.close


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1.單項(xiàng)選擇題When the vessel arrives, the cargo of machinery to be unloaded is（）.

A.transpored to the ships side
B.transported into the shed
C.lashed and secured
D.delivered to the consignor

2.單項(xiàng)選擇題When working with lumber, wire and staples are not desirable to be used because（）.

A.they are not subjected to cause trouble
B.they are difficult to handle this kind of cargo
C.the efficiency of separating is raised
D.the efficiency of loading is greater

3.單項(xiàng)選擇題Which is the summer load waterline on the load waterline mark?（）.

A.The first line at the bottom
B.The second line from the bottom
C.The third line from the bottom
D.The fourth line from the bottom

4.單項(xiàng)選擇題Which of the following is more important in determining the amount of free surface that will be produced?（）.

A.The breath of the tank
B.The length of the tank
C.The amount of liquid in the tank
D.The position of the tank in relation to the center line of the vessel

5.單項(xiàng)選擇題Which of the following is more important in determining the amount of free surface that will be produced?（）.

A.Outside temperature
B.Dewpoint of the outside air
C.Dewpoint of the air in the cargo hold
D.Temperature of the cargp