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Anti-collision Light灯灭之后，机坪作业人员就能进入ERA区域了（）

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是

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更多“Anti-collision Light灯灭之后，机坪作业人…”相关的问题

第1题

These discoveries may () the origins of the universe.

A.shed slight on

B.shed light on

C.shed light to

D.throw light to

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第2题

gravity（心里沉重）的反义词（）

A.humor

B.light

C.sky

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第3题

Something looks yellow because it ______.A．absorbs mostly yellow lightB．reflects mostly ye

Something looks yellow because it ______.

A．absorbs mostly yellow light

B．reflects mostly yellow light

C．absorbs all light

D．reflects all light

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第4题

The light was so ____ that I had to cover my eyes.A.brightB.weakC.softD.natural

The light was so ____ that I had to cover my eyes.

A.bright

B.weak

C.soft

D.natural

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第5题

Unexpectedly the light ______ and we were left in.darkness.A.burn out B.put out C.turne

d out D.went out

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第6题

_____ plastics, the machine is light in weight.A.To make ofB.Having madeC.To be made ofD.M

_____ plastics, the machine is light in weight.

A.To make of

B.Having made

C.To be made of

D.Made of

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第7题

A camera takes light rays bounced off objects and__________them on a sheet of a film．A.con

A camera takes light rays bounced off objects and__________them on a sheet of a film．

A.concentrates

B.mixes

C.combines

D.focuses

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第8题

Although cats cannot see in complete darkness, their eyes are much more ______ to light th

an are human eyes.

A．glowing

B．brilliant

C．sensitive

D．gloomy

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第9题

Which word indicates color variation in the characteristics of a light？A.OpposingB.Changin

Which word indicates color variation in the characteristics of a light？

A.Opposing

B.Changing

C.Reversing

D.Alternating

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第10题

完成下列各题 B Light travels at a speed which is about a million

times faster than the speed of sound．In one second，light travels about 300，000km．But sound travels only 344m．You can get some idea of this difference by watching the start of a race．If you stand some distance away from the starter，you can see smoke comes from his gun before the sound reaches your ears． This great speed of light gives US some strange facts．Sunlight takes about 8 minutes to reach US．If you look at the light of the moon tonight，remember that the light left the moon 1．3 seconds before it reached you．The nearest star is so far away that the light which you can see from it t0—night started to travel towards you four years ago at a speed of nearly 2 million km per minute．In some case，the light from one of tonight’s stars started on its journey to you before you were born． Thus，if you want to be honest，you cant say“The stars are shining to night”？You have to say“The stars look pretty．They were shining four years ago but their light has just reached Earth”． Sunlight seems to________than the light of the moon．

A.be less powerfull

B.travel much quickly

C.move less quickly

D.have to travel a greater distance

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第11题

I wouldn’t recommend () in this light; it may affect your eyes.

A.read

B.reading

C.to read

D.reads

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