题目内容
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
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 three hundred and thirty five million people lack enough water now. The people live in twenty eight countries. Most of the countries are in Africa or the Middle East.
PAI researcher Robert Engelman says by the year 2025, about three thousand million people lack water. At least 18 more countries are expected to have serious water problems. The demand for water keeps increasing. Yet the amount of water on 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 that are carried in water.
Lack of water also may result in more international conflict (冲突). Countries may have to fight 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 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 (解决方法) 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 for agriculture.
The report also says long term solutions to the water problem must include controls on population growth.
1．According to the report, how many countries will lack water by the year 2025 ?
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2．How many people will lack water by the year 2025?
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3．Which of the following is not true according to the passage?
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A．The amount of the water on Earth will always stay the same.
B．The report gives three solutions to the water problem.
C．Most of the countries that lack water belong to the developing ones.
D．There's only one long term solution to solve the water problem. That is controls on population growth.
4．What is the main idea of this article?
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A．Water shortage is quite serious in the world nowadays.
B．PAI did a lot of study about water shortage.
C．Water shortage will be a serious problem facing us in the near future.
D．Controlling population is the best way to solve the problem of water shortage.
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