17.As the population of the planet increases,so does the number of homes,businesses,parking lots,schools,airports and roadways.All these structures require electricity to be lighted.Humans demand these lights.They want their homes more comfortable and streets safe.The problem is that researchers have found that all this light has a negative effect on humans and wildlife as well,so please take care.
Less than 10 years ago I drove to a less populated section of my town,lay down in the middle of the road and watched an attractive meteor shower(流星雨).The area was short of buildings and street lights.If I did that today,I wouldn't be able to see the meteor shower,but I would be surely run over by a car.
Nowadays scientists are finding light pollution can be almost as bad as CO2 Pollution.If you have ever taken a flight at night,you must remember the view of colored lights all around--it's beautiful but wasteful.How extensive this phenomenon is around the world!
Additionally,electricity needs to be created,and the process of creating that electricity will cause pollution by giving off greenhouse gases.This affects the air we breathe and our quality of life.
Apart from humans,it has been proved that wildlife is also suffering from light pollution.Thousands of birds die each year when they crash into highly lit buildings,as they are confused which direction they should go in by the light.It has been long known that tiny sea turtles become lost and follow lights on the shore instead of heading towards the sea.
Fortunately,light pollution is one of the easiest sources of pollution that can be corrected without a negative effect.We should not only pay more attention to light pollution,but also reduce light pollution by avoiding using unnecessary lighting.
56.The story given in Paragraph 2 is toD.
A.describe the past beauty of the town
B.show the advantage of a smaller population
C.analyze the changes of lights in town
D.prove the disadvantage of light pollution
57.The birds and tiny sea turtles die or get lost,becauseD.
A.they are unable to see clearly at night
B.their eyes are destroyed by right light
C.electric lights prevent them from heading
D.the light created by people misleads them
58.What would be the best title for the passage?B
A.The Causes of Lights B.Take care of Light pollution
C.Ways of Reducing Light Pollution D.The New Finding on Light.
分析 本文属于说明文阅读,作者通过这篇文章向我们介绍了光污染所导致的危害,它导致很多动物因为找不到正确的方向而失去了生命,同时作者让我们关注光污染,避免使用不必要的照明,以此来减少光污染.
解答 56.D 推理判断题,根据第二段The area was short of buildings and street lights.If I did that today,I wouldn't be able to see the meteor shower,but I would be surely run over by a car.可知本段的故事是向我们证明了光污染的缺点,故选D.
57.D 细节理解题,根据倒数第二段Thousands of birds die each year when they crash into highly lit buildings,as they are confused which direction they should go in by the light.It has been long known that tiny sea turtles become lost and follow lights on the shore instead of heading towards the sea.可知小鸟和小乌龟死忘或者迷路是因为人类创造的光误导了它们,使它们找不到正确的方向,故选D.
58.B 主旨大意题,通读全文可知本文主要向我们介绍了光污染导致的危害,让我们关注光污染,避免使用不必要的照明,减少光污染,故选B.
点评 考查学生的细节理解和推理判断能力.做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确选择.在做推理判断题时不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.