单项选择题

You notice smoke coming from an open laundry room doorway．After activating the fire alarm，which of the following would you do FIRST（）.

A.Attempt to determine what is burning
B.Acquire the nearest self contained breathing apparatus
C.Break out the nearest fire hose
D.Wait for the fire team to arrive and assist as directed

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单项选择题

You are underway and pass by a lighthouse.Its light，which was white since you first sighted it，changes to red．This means（）.

A.The light is characterized as alternately flashing
B.The lighthouse has lost power and has switched to emergency lighting
C.It is the identifying light characteristic of the lighthouse
D.You have entered an area of shoal water or other hazard

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You are docking a vessel starboard side to with the assistance of two tugs.You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power.You must ensure that（）.

A.steerageway is not taken off
B.the bow doesn't close the dock first
C.the bow closes the dock first
D.the ship has no headway at the time

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Winds expected to（）Storm Force 10 in south-east semicircle later up to 300 miles from the center of the tropical cyclone.

A.get
B.achieve
C.attain
D.reach