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更多“Anti-collision Light灯灭之后，机坪作业人…”相关的问题
Something looks yellow because it ______.
A．absorbs mostly yellow light
B．reflects mostly yellow light
C．absorbs all light
D．reflects all light
A.shed slight on
B.shed light on
C.shed light to
D.throw light to
Why do the American doctors think of using laser light to treat heart disease？
A．Beeause laser light is quite powerful．
B．Because laser light is penetrating．
C．Because laser light can destroy the blocking materials in human’s artery．
D．Because laser light can travel through the human body．
If a soldier took a red light for a green light he probably would______.
A．be left behind alone
B．advance along
C．go with the others
D．stop
During the day people can see light everywhere，because when the sun is up__________ ．
A.it gives off light
B.it absorbs light
C.the earth’s atmosphere gives off light
D.the earth’s atmosphere absorbs sunlight
How do you know that the oil pressure is a bit low？
A．The warning light flashes only when the car runs at fast speed.
B．The warning light flashes only when the car is slowing down.
C．The warning light flashes continuously.
D．The warning light flashes when the engine idles.
The best way both for reading and for writing is to________．
A.sit facing the light
B.1et the light shine from your back
C.sit with your right side towards the light
D.have the light come from your left
This light bulb doesn't work. Can you ______ it by another one？
A．substitute
B．replace
C．change
D．exchange
Will this light shelf__________the weight of all these books？
A.include
B.maintain
C.contain
D.sustain
