题目内容
17.In most situations,light helps us see.But nowadays humans are using too much of it so that it is in fact a kind of pollution.When we come to look at the night sky,too much light makes it difficult for us to watch some wonderful sights-stars,planets and even galaxies (星系).
According to the scientific research,about 2,500 stars can be seen by human eyes without using any special equipment.But because of light pollution,we can only see 200 to 300 stars from today's countryside,and no more than ten stars from a city.In most big cities,people cannot see the sky filled with stars like they did in their childhood.
Light pollution affects more than just our view of sky.Research shows that lots of nighttime light can harm wildlife,too.
When birds fly to another place over cities,they sometimes get lost by the brightness and fly in circles until they drop because of tiredness.Sea turtles need dark beaches for laying eggs,but they can't find their ideal places because of those bright lights.
Too much light at night may even affect human health,but scientists are not sure of that.They are still learning more.
In order to prevent things from going worse,governments and some organizations are working to reduce(减少)light pollution.Many cities and towns are taking actions to reduce the use of lights at night.Lights are used only when and where people need them.They also shine light down at the ground instead of up into the sky and use lower brightness levels.
66.How many stars can be seen by human eyes without using any special equipment in the today's countryside?A
A.200 to 300. B.2500. C.10.
67.Why does the writer think that too much light is a kind of pollution?C
A.Because there are fewer and fewer stars.
B.Because human health has been affected.
C.Because it can harm some of the wildlife.
68.Which of the following statement is TRUE according to the passage?B
A.There are about 2,500 stars in the sky.
B.We can do something to reduce light pollution.
C.Sea turtles always get lost and die from tiredness.
69.What does this passage mainly talk about?B
A.The use of light. B.The light pollution. C.How to save energy.
70.From the passage we can infer thatC.
A.Birds never fly to another place
B.More and more people shine light up into the sky
C.Fewer and fewer Sea turtles went to the bright beaches to lay eggs.
分析 翻译:
在大多数情况下,光有助于我们看到,但现在人类太多的使用它以致于它实际上是一种污染.当我们看夜空时,太多的光让我们很难看见一些精彩的星星,行星甚至星系.根据科学研究,大约2500颗星星不使用任何特殊的设备可以用肉眼看见,但由于光污染,从今天的农村我们只能看到200到300颗星星,从一个城市不会超过十颗星星,在大多数大城市,人们不能看到像他们在他们的童年时,天空充满星星.光污染影响的不仅仅是我们对天空的看法,研究表明,大量的夜间光会伤害野生动物,也会对野生动物造成伤害.当鸟儿飞到城市上空时,他们有时会因为疲劳而迷失方向,因为疲劳而落下,海龟需要黑沙滩产卵,但他们却不能找到理想的地方.晚上过多的光可能会影响人类健康,但是科学家们不能肯定.他们仍然在做更多的研究.为了避免事情恶化,政府和一些组织正在努力减少光污染.许多城市采取行动以减少夜间用灯.灯的使用只有当人们需要他们.他们也向地面下照而不是向天空照,并且使用较低的亮度水平.
解答 66.A.根据语境we can only see 200 to 300 stars from today's countryside可知在农村能看见200-300颗星星.故选:A
67.C.根据语境Research shows that lots of nighttime light can harm wildlife,too.可知太多的光对野生动物有害.故选:C
68.B.根据语境Many cities and towns are taking actions to reduce the use of lights at night.可知我们能为减少污染做一些事.故选:B
69.B.根据语境In most situations,light helps us see.But nowadays humans are using too much of it so that it is in fact a kind of pollution.可知本文讨论的是光污染.故选:B.
70.C.根据语境Sea turtles need dark beaches for laying eggs,but they can't find their ideal places because of those bright lights可知越来越少的海龟去了明亮的海滩产卵.故选:C
点评 本题考查科普知识类阅读理解.要想做好科普英语阅读理解题,同学们就要注意平时多读科普知识类文章,学习科普知识,积累常见的科普词汇,从根本上提高科普英语的阅读能力.
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D. | how many gold medals Chinese athletes won |
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42、A.like | B.look after | C.agree with | D.chat(闲谈) with |
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44、A.old | B.new | C.broken | D.beautiful |
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50、A.read about | B.known | C.seen | D.met with |