四级写作常见题型：问题解决型现象解释型对比选择型观点论证型问题解决型：Currently,____.Howto____hasbecomeamatterofconcern.There’remanywaysto____.Inthefirstplace,_____.Inthesecondplace,____.What’smore,____.AsfarasI’mconcerned,Iprefer____forthefollowingreasons.Foronething,_____.Foranother,_____.Inaddition,_____.Therefore,______.模版例文上大学费用可以通过多种途径解决；哪种途径适合我（说明理由）HowIFinanceMyCollegeEducationAtpresent,tuitionsandfeesforcollegestudentsaremuchhigherthaneverbefore.Howtofinancecollegeeducationhasbecomeamatterofconcern.There’remanywaystosupportmyuniversitystudyfinanciallyvarygreatly.Inthefirstplace,Icanobtainallthemoneyfrommyparents.Inthesecondplace,Icanapplyforabankloan,especiallyestablishedforcollegestudents.What’smore,Icanfindapart-timejobtoearnenoughmoney.Frommypointofview,Ipreferthebankloanforthefollowingreasons.Foronething,myparentsarenotrichenoughtoaffordme.Foranother,Iwillnothaveenoughtimeandenergytostudyafterfinishingmypart-timejobs.Inaddition,IbelieveIcanhuntarewardingjobaftergraduation,andthenIwillbeabletopayback.Hence,bankloanismyfavoritewaytofinancemycollegeeducation.UsefulExpressions:1.Nowadays,peopleareincreasinglyawareof_____.2.Recently,theproblemof_____hasbeeninthelimelight.3.It’simportantthateffectiveactionsbetakentopreventthesituation.4.Manythingscancontributetosolvingtheproblem,butthefollowingonesmaybemosteffective.5.Toconclude,wecanseethatthebestwayis______.现象解释型Recently,_____.Whatamazesusmostis_____.Itistruethat____.Therearemanyreasonsexplaining____.Themainoneis____.What’smore,_____.Thirdly,_____.Asaresult,_____.Consideringallthese,____.Foronething,_____.Foranother,_____.Inconclusion,_____.模版例文目前社会上有不少假冒伪劣商品fakecommodities为什么会有这种现象？举例说明假冒伪劣商品对消费者个人，社会等的危害。HarmfulnessofFakeCommoditiesRecently,moreandmorefakecommoditiesareappearinginthemarket.WhatamazesusmostisanunrealmedicinereportonTV.It’struethatfakecommoditiescanbefoundalmosteverywhere.There’remanyreasonsexplainingthisproblem.Themainoneisthatfakecommoditiesmaybringgoodprofitsforproducers.What’sm