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    精英家教网 > 高中英语 > 题目详情
    The world is not hungry, but it is thirsty. It seems strange that nearly 3/4 of the earth is covered with water while we say we are short of water. Why? Because about 97% of water on the earth is sea water which we can’t drink or use for watering plants directly. Man can only drink and use the 3% the water that comes from rivers and lakes. And we can’t even use all of that, because some of it has been polluted.
    Now more water is needed. The problem is: can we avoid a serious water shortage later on? First, we should all learn how to save water. Secondly, we should find out the ways to reuse it. Scientists have always been making study in this field. Today, in most large cities water is used only once and then runs to the sea or rivers. But it can be used again. Even if every large city reused its water, still there would not be enough. What could people turn to next?
    The sea seems to have the best answer. There is a lot of water in the sea. All that needs to be done is to get the salt out of the sea water. This is expensive, but it’s already in use in many parts of the world. Scientists are trying to find a cheaper way of doing it. So you see, if we can find a way out, we’ll be in no danger of drying up.
    小题1:The world is thirsty because ___________.
    A．3/4 of the earth is covered with water
    B．we have enough sea water
    C．we haven’t used all the water in rivers and lakes
    D．about 97% of water on the earth can’t be drunk or used for watering plants directly
    小题2:Which of the following is TRUE?
    A．3% of drinkable water on the earth is from rivers and lakes.
    B．75% of water on the earth is in the sea.
    C．97% of the earth is covered with water.
    D．3% of water on the earth is sea water.
    小题3:From the passage we learn that __________.
    A．if every city reuses its water, we’ll be in no danger of drying up
    B．man can only drink and use about 25% of water on the earth
    C．today in most large cities water is used only once
    D．water can be used only once

    小题1:D
    小题2:A
    小题3:C

    试题分析：
    小题1:D 细节题。根据第一段2,3行Because about 97% of water on the earth is sea water which we can’t drink or use for watering plants directly说明D正确。
    小题2:A 细节题。根据第一段第4行Man can only drink and use the 3% the water that comes from rivers and lakes.说明A正确。
    小题3:C 细节题。根据第二段3,4行Today, in most large cities water is used only once and then runs to the sea or rivers.说明C正确。
    点评：文章介绍了世界上水紧缺的问题，并在文章第二段提出了解决的方法。本文集中考查了细节题，要求考生仔细阅读全文，做好相应的标志，以提高阅读的效率和速度。
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