- 问题详情:Smokingisaverybadhabit.Itisoneoftheworstthingsthatkidsoradultsdototheirbodies.Itcancausedifferentkindsofdiseases(疾病),suchascancer(癌症)andheartdisease.Inmiddleschools,thereareabout10%ofthestudentssmoking.Somestudentsmaystartsmokingbecauseitl...
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