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6.A new study warns that about thirty percent of the world's people may not have enough water by the year 2025.
A private American organization called Population Action International did the new study.It says more than 335million people lack enough water now.The people live in 28countries.Most of the countries are in Africa or the Middle East.
P-A-I researcher Robert Engelman says by the year 2025,about 3,000million people may lack water.At least 18more countries are expected to have severe water problems.The demand for water keeps increasing.Yet the amount of water on the earth stays the same.
Mr.Engelman says the population in countries that lack water is growing faster than in other parts of the world.He says population growth in these countries will continue to increase.
The report says lack of water in the future may result in several problems.It may increase health problems.Lack of water often means drinking water is not safe.Mr Engelman says there are problems all over the world because of diseases,such as cholera,which are carried in water.Lack of water may also result in more international conflict.Countries may have to compete for water in the future.Some countries now get sixty percent of their fresh water from other countries.This is true of Egypt,the Netherlands,Cambodia,Syria,Sudan,and Iraq.And the report says lack of water would affect the ability of developing to improve their economies.This is because new industries often need a large amount of water when they are beginning.
The Population Action International study gives several solutions to the water problem.One way,it says,is to find ways to use water for more than one purpose.Another way is to teach people to be careful not to waste water.A third way is to use less water of agriculture.
The report also says long-term solutions to the water problem must include controls on population growth.It says countries cannot provide clean water unless they slow population growth by limiting the number of children people have.
63.The first four paragraphs mainly tell usA.
A.the fact of the global lack of water         
B.the importance of water resources
C.the seriousness of water shortage          
D.the study of the global water condition
64.Which of the following problems is NOT true about lack of water according to the passage?C
A.It may bring about a lot of health problems.
B.It may result in more international conflict.
C.It may lead to the improvement of new industries.
D.It may influence the development of the economics.
65.Which of the following is the way to solve water problem in the long run?D
A.To use water in a variety of ways.
B.To become aware of the water problem.
C.To reduce the use of agricultural water.
D.To limit the rising birthrate of the earth.
66.Which of the following shows the structure of the passage?B
A.①②③→④⑤→⑥⑦B.①②③④→⑤→⑥⑦
C.①②③④→⑤⑥→⑦D.①②③→④→⑤→⑥⑦

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全球水资源缺乏的事实,我们可以限制地球人口出生率上升来解决水问题.

解答 63.A.段落大意题.根据第一段A new study warns that about thirty percent of the world's people may not have enough water by the year 2025可知前四段主要告诉我们全球水缺乏的事实;故选A.
64.C.细节理解题.根据最后一段And the report says lack of water would affect the ability of developing to improve their economies.This is because new industries often need a large amount of water when they are beginning可知水缺乏的问题可能阻碍新产业的进步;故选C.
65.D.细节理解题.根据最后一段It says countries cannot provide clean water unless they slow population growth by limiting the number of children people have可知限制地球人口出生率上升是解决水问题的方法;故选D.
66.B.细节理解题.通读全文,可知文章前四段主要告诉我们全球水缺乏的事实,第五段讲述了水资源缺乏带来的问题,最后两段讲述了改善水问题的方法;故选B.

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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