单项选择题

A vessel shall be deemed to be overtaking when she can see at night（）.

A.only the sternlight of the vessel
B.a sidelight and one masthead light of a vessel
C.only a sidelight of the vessel
D.any light except the masthead lights of the vessel

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单项选择题The temperature at which the air is saturated with water vapor and below which condensation of water vapor will occur is referred to as the（）.

A.precipitation point
B.vapor point
C.dew point
D.absolute humidity

单项选择题Foul ground（）2 cables fromits E side.

A.locates
B.lies
C.extends
D.rests

单项选择题Top and inner graduated borderlines of the chart are（）.

A.scales of latitude
B.scales of longitude
C.compass rose
D.source data

单项选择题You are on watch at night in clear visibility and the vessel has just been anchored.The first thing that you should do after the anchor has been let go is to（）.

A.stop the engines
B.turn off the running lights and turn on the anchor lights
C.take at least two bearings of prominent shore lights
D.lower the accommodation ladder and illuminate it

单项选择题Most Navigation System equipment is（）from the bridge, a unique location that allows for a centralized,safe and efficient management of ship navigation.

A.accessible
B.restricted
C.deterred
D.far away