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    When you watch TV and play video games you make global(全球的) warming worse! It may seem hard to believe, but when electricity is made, so are greenhouse gases(温室气体). This means that every time you use electricity you help make global warming worse!
    Cars are also making global warming worse. They burn fossil fuels(化石燃料) in their engines, and send lots of greenhouse gases into the air.
    Global warming may be a big problem, but we can all help stop it. People can try to drive their cars less. Or even get ones that run on sunlight! You can also help. Let’s try one of these top ideas:
    (1) Try to use less electricity. Turn off lights, your television, and your computer when you’ve stopped using them. To make electricity, fossil fuels are burned in big factories. But burning fossil fuels also makes greenhouse gases. You should also try to watch less TV.
    (2) Plant trees. Not only is it a fun thing to do, but it is also a great way to lower the number of greenhouse gases in the air. Trees take carbon dioxide out of the air when they grow.
    (3) Don’t throw away your rubbish, try to recycle it. If rubbish is not recycled, it is put in the ground. There it rots(腐烂) and makes a greenhouse gas called methane(甲烷).So try to recycle cans, bottles, plastic bags and newspapers. It’ll make you feel great! And it’ll help the Earth.
    【小题1】If we _____, we may make global warming worse.

    A．use less electricityB．drive a car on sunlight
    C．plant treesD．throw away rubbish
    【小题2】We may use more electricity by______.
    A．turning off lightsB．shutting down computers
    C．turning up CD playersD．turning off TV
    【小题3】______ will make global warming worse.
    A．MethaneB．CansC．NewspapersD．Bottles
    【小题4】Using less electricity does good to global warming because_______.
    A．the less electricity is used, the more greenhouse gases are produced
    B．the more electricity is used, the more greenhouse gases are produced
    C．more electricity is used, less greenhouse gases are produced
    D．less electricity is used, more greenhouse gases are produced
    【小题5】Which is the following is NOT TRUE according to the passage?
    A．Driving cars on sunlight helps to stop global warming.
    B．When cars burn fossil fuels, they produce greenhouse gases.
    C．When trees grow, they send carbon dioxide into the air.
    D．By planting more trees, we can lower the number of greenhouse gases in the air.


    【小题1】D
    【小题2】C
    【小题3】A
    【小题4】B
    【小题5】C

    解析试题分析：
    【小题1】通过阅读最后一段可知，乱扔垃圾可以产生甲烷，从而使全球变暖。ABC可以防止地球变暖。所以本题选D。
    【小题2】通过Turn off lights, your television, and your computer when you’ve stopped using them.可知，ABD都不符合题意。所以本题选C。
    【小题3】通过阅读可知methane(甲烷).是地球变暖主要原因。所以甲烷可以让地球变暖变得更糟。所以本题选A。
    【小题4】通过阅读第四段可知，我们用更多的电，产生的温室气体就越多。所以本题选B。
    【小题5】根据Trees take carbon dioxide out of the air when they grow.可知，树吸收二氧化碳，而不是产生二氧化碳。所以本题选C。
    考点：本题考查科普环保类
    点评：本题的考查的题目，源于文章，但又必须通过阅读，对文章加以理解方能得出答案，故本题有一定的难度。所以对于本文，应该充分阅读，尽可能从总体上把握文章的大意，还应该结合一些生活常识。

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