I am worker at the tap water company. I find that      

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people were becoming more and more careful about    

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health .If the tap water appear a little bit unclear       

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and muddy ,the telephone will ring again and again.    

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Fortunately, people do not pay equal attention to the    

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protection of water resources .For the sake of our        

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health ,we should take good care our water resources    

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and environment .There is a saying “whether we do     

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not careful protect our environment, the last drops        

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of water we will see them will be our own tears.”       

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