單項選擇題

Renew a cargo runner, please. （）

A.fall
B.stay
C.guy
D.sling

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單項選擇題

We use TEU as the unit of the standard containers. Its length is（）.

A.40ft
B.20ft
C.20m
D.40m

單項選擇題

The safe working load of the derrick is （）.

A.5 tons
B.5 metres
C.5 feet
D.5 mile