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A special daymark is a ______.
A.red-and-white octagon
B.daymark with a yellow stripe on it
C.green square
D.yellow diamond
参考答案
更多 “ A special daymark is a ______.A.red-and-white octagonB.daymark with a yellow stripe on itC.green squareD.yellow diamond ” 相关考题
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单选题The German court is facing a legal dilemma because the law hasn’t stipulated the punishment of ______.A
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单选题If your vessel were proceeding down river (descending)，a green square marker with a green reflector border on the right bank would be a（）.A
mile boardB
dredging markC
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crossing daymark
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单选题A special daymark is a（）.A
red-and-white octagonB
daymark with a yellow stripe on itC
green squareD
yellow diamond
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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
the buoy is a special markC
the buoy is off stationD
the buoy designates a sharp turn in the channel
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单选题What indicates a dual purpose buoy? （）A
Red buoy with a horizontal yellow bandB
Red and white vertically-striped buoy with a vertical yellow stripeC
Red and white vertically-striped buoy with a red spherical topmarkD
Green buoy with a yellow square
考题
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
be square in shapeD
have an even number if numbered
考题
单选题A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）A
FlashingB
Morse AC
Equal intervalD
Occulting
考题
单选题佩戴不同外观的定制机，可有不同的增益，说法正确的是（）。A
佩戴CIC比佩戴ITC可以节省10~15DB的增益；B
佩戴CIC比佩戴ITC可以节省5DB的增益；C
佩戴CIC比佩戴ITC可以节省5~10DB的增益；D
佩戴ITC比佩戴ITE可以节省10DB的增益；E
佩戴ITC比佩戴ITE可以节省15DB的增益。
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单选题A light used to signal passing intentions must be an（）.A
alternating red and yellow lightB
alternating white and yellow lightC
all-round white or yellow lightD
all-round white light only
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