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单选题
Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a （）.
A
red triangle with the letter R
B
white triangle with the letters RG
C
green square with the letter G
D
white square with the letters GR
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单选题A red triangular daymark marks（）.A
the centerline of a navigable channelB
the starboard side of a channelC
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area of a channel where passing another vessel is permitted
考题
单选题Entering from seaward，triangular-shaped daymarks are used to mark（）.A
the starboard side of the channelB
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单选题When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.A
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单选题What is required to be entered into the Official Logbook? （）A
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单选题Entering from sea,a daymark on the port side of the channel would be indicated on a chart by a（）.A
red triangle with the letter RB
white triangle with the letters RGC
green square with the letter GD
white square with the letter GR
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单选题You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.A
you are in the vicinity of the ICWB
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the buoy is off stationD
the buoy designates a sharp turn in the channel
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单选题A stretch where the channel changes from one side of theriver to the other is called a（）.A
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单选题The light rhythm of Morse (A) is shown on（）.A
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starboard- or port-side buoysC
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单选题On entering from seaward，a starboard side daymark will（）.A
show a fixed red light if lightedB
show a Morse (A) white lightC
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have an even number if numbered
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单选题Which statement is true regarding the Port Aggregation Protocol？ （）A
Configuration changes made on the port-channel interface apply to all physical ports assigned to the portchannel interface.B
Configuration changes made on a physical port that is a member of a port-channel interface apply to the port-channel interface.C
Configuration changes are not permitted with Port Aggregation Protocol； instead， the standardized Link Aggregation Control Protocol should be used if configuration changes are required.D
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单选题You are on watch at sea a man falls overboard on the port side, forward near No. 1 hatch. What of the following should you do first?（）.A
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考题
单选题Daymarks marking the starboard side of the channel when going towards the sea are（）.A
green squaresB
green trianglesC
red squaresD
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