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    The world itself is becoming much smaller by using modern traffic and modern communication means. Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest problems is pollution. To pollute means to make things dirty. Pollution comes in many ways. We see it, smell it, drink it and even hear it. Man has been polluting the earth. The more people, the more pollution.
    Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is no longer true. Man is now slowly polluting the whole world. Air pollution is still the most serious. It’s bad for all living things in the world, but it is not the only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us angry more easily. Many countries are making rules to fight pollution. They stop people from burning coal in houses and factories in the city, and from putting dirty smoke into the air. Pollution by SO2 is now the most dangerous kind of air pollution. It is caused by heavy traffic. We are sure that if there are fewer people driving, there will be less air pollution.
    The earth is our home. We must take care of it. That means keeping the land, water and air clean. And we must take care of the rise in pollution at the same time.
    小题1:_______, our world is becoming much smaller.
    A．Because of the rise in pollution
    B．Thanks to science development
    C．Because the earth is being polluted day and night
    D．Because the earth is blown away by the wind every year
    小题2:Hundreds of years ago, life was __________ it is today. 
    A．much easier thanB．as easy as
    C．much harder thanD．as hard as
    小题3: Pollution comes in many ways. We can even hear it. Here “it” means _______.
    A．rubbish(垃圾)B．noise pollution
    C．air pollutionD．water pollution
    小题4:Air pollution is the most serious kind of pollution because _______.
    A．it makes much noise
    B．it makes us angry more easily
    C．it makes our rivers and lakes dirty
    D．it’s bad for all living things in the world
    小题5:Which of the following is NOT true? 
    A．Many countries are making rules to fight pollution.
    B．The pollution of the earth grows as fast as the world population does.
    C．The problem of pollution is not so serious because there are not so many people living on the earth.
    D．If people could go to work by bus or bike instead of car or motorbike, it would be helpful in fighting against the problem of SO2.

    小题1:B
    小题2:C
    小题3:B
    小题4:D
    小题5:C

    试题分析：本文介绍了世界上各种污染情况。
    小题1:B 细节题。根据文章第一句The world itself is becoming much smaller by using modern traffic and modern communication means.说明现代技术让这个世界变得更小。故B正确。
    小题2:C 细节题。根据文章第二行Life today is much easier than it was hundreds of years ago,说明几百年前的生活比现在更艰难。故C正确。
    小题3:B 推理题。根据本句Pollution comes in many ways. We see it, smell it, drink it and even hear it.说明这里的it是指能够被听见的污染，那么就是噪音污染。故B正确。
    小题4:D 细节题。根据第二段3,4行. Air pollution is still the most serious. It’s bad for all living things in the world,说明D正确。
    小题5:C 细节题。根据文章前三行Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is no longer true.说明C正确。
    点评：本文介绍了世界上各种污染情况，从空气污染到噪音污染都做了详细地说明。本文考查细节题为主，细节题可以在文章中直接找到与答案有关的信息?或是其变体。搜查信息在阅读中非常重要它包括理解作者在叙述某事时使用的具体事实、数据、图表等细节信息。在一篇短文里大部分篇幅都属于这类围绕主体展开的细节。做这类题一般采用寻读法?即先读题?然后带着问题快速阅读短文?找出与问题有关的词语或句子?再对相关部分进行分析对比?找出答案。
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