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5.Some people are pessimistic (悲观) when they think about the future.They say that,a hundred years from now,we will have used up most of the earth's resources.We will have polluted our sea badly,and be unable to eat fish from it.We will have made air so dirty that we will need to wear masks.The world's pollution will have doubled,and we will have used all the countryside for housing; there will be no farmland left.Other people believe that man adapts very easily.They have a different idea of the future.However,in their views,will people be living in a hundred years'time?
One architect believes that man will move off the land.He suggests that the city of the future will be a huge,pyramidshaped building,which will be floating on the surface of the sea.About 5,000families will be living there,and the building will contain shops and schools as well as homes.By living on the sea,we will give the farmers more land to grow crops.
As for oil,people will no longer need it:we will be heating our homes with power from the sun.And we will not be short of minerals,because there are plenty under our oceans.At the moment,we do not have the technology to get them out.But,in a hundred years'time,the optimists (乐观者) say,the new sea cities will be using these resources.
What will be in the shops in the year 3000?What will people be wearing?How will people be traveling?
Scientists who make predictions about the future suggest that,by the year 3000,shops will no longer exist.Computers will have replaced them; and people will order goods from home.
People will be wearing very light,thin clothes.By this time,scientists will have invented a fabric that keeps us cool in hot weather and warm in cold weather.
As for travel,the experts say that most people will be using public transport.Electric cars will be traveling through the streets day and night.Anybody will be able to stop one and use it.
An interesting picture!Unfortunately,we will not be there if these predictions come true.
28.Pessimists believe that in the futureB.
A.seas and oceans will be full of houses
B.we'll have used up most of the resources
C.we will have not enough fish to eat from the seas
D.we will have polluted the air not so badly that it will be possible for us to breathe
29.Scientists have made the predictions EXCEPTB.
A.electric cars will be going along the streets continuously
B.the resources under the oceans will never be used up
C.people will order goods from home
D.people won't suffer from cold any longer
30.What does the underlined word in the seventh paragraph refer to?C
A.a kind of tool
B.a kind of energy
C.a kind of cloth              
D.a kind of resource
31.We can learn from the article thatA.
A.we should be optimistic about the future
B.we should be pessimistic about the future
C.we shouldn't think too much about the future
D.we have no idea of what will happen in the future.

分析 本文属于说明文阅读,作者通过这篇文章主要向我们描述了人们对未来的看法,存在3种看法,乐观,悲观,无所谓;以及人们不同的描述.

解答 28.B.细节理解题.根据第一段They say that,a hundred years from now,we will have used up most of the earth's resources可知悲观主义者相信未来会用尽大部分资源;故选B.
29.B.细节理解题.根据第三段And we will not be short of minerals,because there are plenty under our oceans可知科学家们没有标明海洋用之不竭;故选B.
30.C.词义猜测题.根据文章People will be wearing very light,thin clothes.By this time,scientists will have invented a fabric that keeps us cool in hot weather and warm in cold weather可知科学家们将发明一种织物,使我们在炎热的天气凉爽,在寒冷的天气温暖;即一种布料;故选C.
31.A.推理判断题.根据最后一段An interesting picture!Unfortunately,we will not be there if these predictions come true可知我们应该对未来乐观;故选A.

点评 考察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,再做出正确的选择.在做推理判断题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.

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