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treating smokingrelated diseases?【篇二】關(guān)于吸煙的英語作文范文 As we all know, there are many people smoking, although everyone knows smoking is harmful to us. Giving up smoking is not easy but addicted to it is quite easy, that’s why there are more and more people smoking. Smoking and passive smoking is risk factor that leads to various diseases. It has bee world’s top 8 causes of death. More than 90% of lung cancer caused by smoking and lung cancer rates of smokers are 18 times over the nonsmokers. Besides, smoking