【思路点拨】本题属于提纲式文字命题。提纲第1点要求描述目前社会上出现的一种问题，提纲第2点要求说明这一问题会带来哪些危害，提纲第3点则要求提供解决方法，由此可判断本文应为问题解决型作文。根据所给提纲，本文应包含以下内容：描述流行病在我们的生活中随处可见的现象;阐述流行病会带来哪些危害;说明我们对此应该采取哪些措施。
Epidemicsarerampantthroughoutthewholehumanhistory,andtheyhavecausedthemostdevastatingimpactsonus.Eachyear,numerousepidemicsbreakoutonearthandtheyhavesuchcharacteristicsasfastspreadingandinfectious。
Epidemicsareharmfulinmanyways.Foronething,itwillmakepeopleandanimalsseriouslyillordead,whichisagreatlosstothecountry.Forexample,theoutbreakofSARSoncekilledlotsofpeopleandbroughtgreateconomiclosstothewholecountry.Foranother,thereisnocureformanykindsofepidemicdiseases.Onceweareinfectedbyoneofthem,itisdifficulttobecured。
Toavoidtheoutbreakofsomekindofepidemicsaspossibleaswecan,weshouldfirstchangesomeunhealthyhabitsorcustoms.Forexample,mealsservedindividuallyshouldbeencouraged,whichwouldreducethepossibilityofthespreadofgerms.Ontheotherhand,thegovernmentshouldlearnhowtodealwithemergencieswhenanepidemicbrokeout.Ibelieveaslongaswetreatandpreventepidemicsintherightway,wewillfinallyconquerthem。
