C.educating people about light pollution
D.inventing environmentallyfriendly lights
解析:选B 推理判断题。根据第三段第二句中“but you must remember that all the light you see wastes electricity”可知所有的照明都会浪费电因此为了减少光污染我们在不需要照明的时候就不应该使用。故选B。atch meteor showers.
解析:选C 细节理解题。根据第五段最后一句可知光污染影响我C项正确。根据第六段第二句中“Thousands of birds die each year”可知A项错误;B项在文中没有提到;根据第二段倒数第二句可知D项错误。about how to deal with light pollution.
B.Global warming results in light pollution in some way.
C.Astronauts can't see clearly in space nowadays.
D.Some animals use natural light to direct their movements.
解析:选D 推理判断题。根据倒数第二段第三句“It has been long known ... towards the sea.”可推知D项正确。aches to decreasing light pollution.
C.Benefits of searching on Google.
D.More bad effects of light pollution.
解析:选B 推理判断题。根据最后一段最后一句可知接下来作者会列举一些有助于减少光污染的方法。故选B。C
(2016·延安模拟) Graham and his friends preferred to shoot_up in their arms,
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