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【判断题】
节能建筑就是绿色建筑A.
正确
B.
错误
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【简答题】小题1:Trees can get light from in the daytime. A．C0 2 B．O 2 C．the sun D．the moon 小题2:Chlorophyll is in . A．sunlight B．soil C．air D．leaves 小题3:We can get more O 2 by . A．planting more trees B．cutting tr...
【单选题】Diffusion of light in the sky occurs owing to ______.
A.
atmospheric impurities
B.
molecules of gas
C.
varied shades of colour
D.
different times of the day
【单选题】Rich as they were in forms, the speaker’s _____ seemed unrelated to his speech.
A.
signs
B.
gestures
C.
symptoms
D.
symbols
【单选题】Rich as they were in forms, the speaker’ s _____ seemed unrelated to his speech.
A.
signs
B.
gesture
C.
symptoms
D.
symbols
【单选题】Unexpectedly the light ______ and we were left in darkness.
A.
burned out
B.
put out
C.
turned out
D.
went out
【单选题】直到什么事件的前一天美国参战的前一天，罗斯福才决定要扩大投资规模，从事原子弹的试制计划
A.
第一次世界大战
B.
日本人偷袭珍珠港
C.
第二次世界大战
D.
对德宣战
【单选题】I can't see anything in the room. Please the light. [ ]
A.
turn off
B.
turn up
C.
turn down
D.
turn on
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