單項選擇題A look-out at the bow sights an object on your port side. How many bell strokes should he sound? （）

A.One
B.Two
C.Three
D.Four


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1.單項選擇題A helmsman receives the command Right 15 degrees rudder. The helmsman’s IMMEDIATE reply should be（）.

A.Aye Aye Sir
B.Right 15 degrees rudder
C.Rudder is right 15
D.No reply is necessary，just carry out the order

2.單項選擇題“How do you read?” “I read you four”（）.

A.excellent
B.bad
C.fair
D.good

3.單項選擇題“Full speed ahead” and “Full speed astern” are（）given by the officers or the pilots.

A.sailing orders
B.speed orders
C.wheel orders
D.telegraph orders

4.單項選擇題（）port anchor，one shackle in water.

A.Throw
B.Heave in
C.Cast off
D.Let go

5.單項選擇題You must（）your cable to 5 shackles.

A.cut
B.short
C.be short
D.shorten