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第1题:
A light used to signal passing intentions must be an ______.
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
第2题:
A vessel trawling will display a ______.
A.red light over a white light
B.green light over a white light
C.yellow light over a red light
D.white light over a green light
第3题:
A、ought
B、must have
C、must
D、have to
第4题:
Please light the pilot lamp.()up and () down. ()
第5题:
第6题:
An anchored vessel on pilotage duty must show which light(s) at night?
A.A sternlight only
B.Anchor lights only
C.A white light over a red light only
D.A white light over a red light and anchor lights
第7题:
The Coordinator Surface Search(CSS)in a SAR situation should display by night ______.
A.Deck lights forward and aft
B.A white light over two red lights
C.A red light,white light,and blue light in a vertical line
D.A distinctive signal promulgated by the CSS
第8题:
You ______ cross the road when the traffic lights are red. It’s dangerous.
A. needn’t B. may not C. mustn’t
第9题:
第10题:
Deck lights forward and aft
A white light over two red lights
A red light,white light,and blue light in a vertical line
A distinctive signal promulgated by the CSS