→美文｜With the worldwide increase of population， more and more water is needed. Meanwhile，the water sources are getting polluted by huma…〔02-07〕

  →作文｜My father used to be a heavy somker.He smoked more than 20 cigarets each day;therefore,he was the polluter wherever he went.My mot…〔02-01〕

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  →英语｜1. Pollution 1. 污染对人类有害 2. 为防止污染，3. 近年来采取了一些措施 4. 然而，5. 污染问题尚未完全解决 Pollution is harmful to human beings. Polluted water causes man…〔11-30〕

  →大学｜Smoking and Cancer 1．吸烟对健康有害。 2．吸烟易患癌症。 3．世界各国政府应采取严厉措施限制吸烟。 Smoking is harmful to the health of people . It not oilly pollutes ai…〔11-17〕