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    The population of the Earth is growing faster. It is important that we look after the Earth. We need it!
    The Earth gives us a lot of things. We also give the Earth a lot, but some of the things are not good.

    In nature, when something dies, other animals and plants get food from it. Every animal or plant gives food for other animals or plants. However, animals can’t get food from many of the things that we ‘give’ the Earth. Animals and plants can’t eat metal, plastic and glass. These things will stay in the ground for many, many years.
    Some rubbish is very dangerous for plants and animals. In some places, many animals live together. One animal makes food for many more animals. If we put rubbish and chemicals in the water, the plankton(浮游生物) can die. If there isn’t any plankton, many animals have nothing to eat.
    So what can we do? Don’t leave any rubbish in the countryside! Don’t make so much rubbish!
    【小题1】 The Earth gives us ___________.

    A．foodB．rubbishC．chemicalsD．pollution
    【小题2】 When something dies in nature, _________.
    A．water and grass are pollutedB．plastic and wood become food
    C．other animals and plants get foodD．metal and glass stay in the ground
    【小题3】 We must _______ to look after the Earth.
    A．put metal in the groundB．use more wood
    C．keep frogs in the waterD．make less rubbish

    【小题1】A【小题1】C【小题1】D

    解析【小题1】根据The Earth gives us a lot of things.及下文描述,可知地球为我们提供食物,故选A
    【小题1】根据In nature, when something dies, other animals and plants get food from it.描述,可知选C
    【小题1】根据短文最后一段描述,可知我们必须生产更少的垃圾来保护地球.故选D

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