综合填空：根据短文意思填空，用所给单词的适当形式填空,使短文正确、通顺。
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white, harm, be, water, produce, soil, sick, breathe, air, pour
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Do you know how pollution hurts the earth? Now let me tell you. There __________many kinds of pullution.The chemical factory_____________ terrible gas. It’s called ______________pollution. It makes people ______________. It causes
____ ___problems and even cancer. Farmers use chemicals too much in the field, so __________ pollution is difficult to be stopped. Every year people ___________ a lot of waste into rivers, lakes and so on. So ___________ pollution spreads widely. Light pollution is ____________to our eyes. What’s more, ___________ pollution influences the look of our cities.