以Smokingisharmful为题,写一篇100~130词的短文,内容包括以下要点： 　　1.列举抽烟现状（中国抽烟者达45%,多为年青人,甚至中学生）； 　　2.分析原因（乐趣,提神refreshoneself）； 　　3.叙述抽烟害处（坏习惯,有害健康,致病,浪费金钱,引起火灾）； 　　4.劝告人不要抽烟,别学抽烟. 　　Smokingisharmful 　　Whenyouareinpublicplaces,youwillseemanysmokers,mostofwhomareyoungpeopleandevenmiddleschoolstudents.ItissaidthatinChinasmokerscoverabout45percent. 　　Whydosomanypeopleenjoysmoking?Somethinkthatitisapleasure,somebelievethatitcanrefreshthemselves.Infact,smokingisabadhabit.Itdoesgreatharmtoourhealth,notonlytothesmokerhimself,butalsotoothers.Forsmokers,itisagreatwasteofmoney,anditcausesmanykindsofdiseases.Besides,manyfiresarecausedbycarelesssmokers. 　　Today,moreandmorepeoplearebeginningtorealizetheharmofsmokinganddecidetogiveitup.Ifyouarenotasmoker,don'tstart.