2. 外语
  3. The blinds in the gap move according to______.

The blinds in the gap move according to______.

admin2013-09-16  56
问题 The blinds in the gap move according to______.
选项 A、the air currents in the gap
B、the sun’s rays
C、the weather outside
答案B
解析 关键词语：These blinds are controlledby small motors，and they move automati-cally so they reflect the sun’s rays at differ—ent times of the day．根据太阳的光线自动调整运行。
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