本来人们是兴致勃勃地想观看流星的,却因夜空被城市明亮的灯光所点缀,而影响了观星。 (四十三) A. Meteor showers occur less often than before. B. Their observation equipment is in poor repair. C. Light pollution has remained unsolved for years. D. Their eyesight is failing due to artificial lighting 2. What do the astronomers complain about? C
推理判断题。由第三段的第一、二两句Astronomers—scientists … planets—have been complaining about this problem for decades. They say that …in the past可知,天文学家们几十年来一直在抱怨灯光污染使得他们不能像以前一样很清晰地观察到天上的物体了,由此可推断出灯光污染这个问题几十年来都没得到解决。 A. Birds may take other migration paths. B. Animals’ living habits may change suddenly. C. Varieties of animals will become sharply reduced. D. Animals’ survival is threatened by outdoor lighting. 3. What is the author concerned about according to Paragraph 4? D
推理判断题。第四段开头就明确指出灯光污染给鸟类,蝙蝠,
青蛙,
蛇等动物带来不良影响, 接下来再以每年统计的约有一亿鸟类受灯光污染而死亡的数字为例,说明灯光污染已经威胁到了动物的生存。
A. lessen the chance of getting cancer
B. create an ideal observation condition C. ensure citizens a good sleep at night
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