單項(xiàng)選擇題The depth of the ship below waterline measured vertically to the lowest part of the hull is called （）.

A.trim
B.lean
C.draft
D.tonnage


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1.單項(xiàng)選擇題“AMIDSHIPS” refers to （）.

A.back of the vessel
B.the middle portion of a ship
C.a backward movement of a vessel
D.across the ship, at right angles to the fore-and-aft centerline

2.單項(xiàng)選擇題All of the followings are orders between the bridge and the engine room except （）.

A.One-hour notice
B.Dead slow ahead
C.Finished with engines
D.Half astern

4.單項(xiàng)選擇題“Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired, or at least patched up temporarily until the next stop” This sentence means that （）.

A.Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the spot
B.Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the next port of call
C.Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired until the next stop
D.Any leaks in piping, propeller shaft, machinery, tanks, will have to be at least patched up

5.單項(xiàng)選擇題“In times of heavy weather, it is extremely dangerous if manning is very short” This sentence means （）.

A.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall
B.In times of heavy weather, it is extremely dangerous if a crew is very short
C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel
D.In case of bad weather, it is particularly dangerous if there are enough personnel