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1、CauseEffectPresenter:ShellDate:1st,AprilQuestionswithwhyareoftenaskedandanswered.Why?DefinitionWordsandphrasesOrganizeparagraphrelationshipCauseandEffectCause&EffectTellreaderswhysomethinghappenedTellreaderstheresultsofsomethingCauseEffecteffectsThereforesoasaresult,
2、consequentlyaccordinglybecauseofthisThus.henceforthisreasonresultincausesduetobecauseofowingtoasaresultofonaccountofforonthegroundofThroughBecausesinceasonthegroundthatTransitionalWordsandPhrasestherefore,consequently,asaresult,andforthisreason通常后面接逗号Theweatherwascol
3、d;therefore,Sallyclosedthewindow. Theweatherwascold.Therefore,Sallyputonhercoat.Theweatherwascold.Consequently,Sallyputonherscarf.Ablizzardhitthetown.Asaresult,theschoolswereclosed.Since,because置于表示原因的句子前，句后用逗号.Becausetheweatheroutsidewascold,Sallyclosedthewindow.so前
4、面的句子后加逗号Theweatherwaswarm,soJimturnedontheairconditioner.TherearetwowaysoforganizingparagraphsdevelopedbycauseandeffectTostateaneffectanddevotetherestoftheparagraphtoexaminingthecausesTostateacauseandthenmentionorpredicttheeffectsExample:whatarethereasonsfortheincrea
5、singrateofcaraccidents?Example:whataretheresultsofAmericanpopulationgettingolder?Accordingtoofficialstatistics,morethan10,000peopleinthecountrywerekilledincaraccidentslastyear.Theincreasingrateofcaraccidentscanbeattributedtothreegeneralcauses.Mechanicalproblemsofcars
6、,suchasfaultybrakes,baldtires,andflattires,contributetothehighrateofcaraccidents.Environmentalproblems,suchasblindcorners,narrowstreets,heavyfog,slipperyroadscauseasignificantnumberofdisasters.Sucherrorsofhumanproblemsasexcessivespeedanddrunkendrivingareconsideredthe
7、majorfactorofthefatalaccidents.Ifdrivershadbeencareful,manyneedlessslaughtersincaraccidentscouldhavebeenavoided.Thetopicsentenceindicatesthattheparagraphfocusesonthecauses.ArecentcensusreportedthattheAmericanpopulationisrapidlygettingolder.Theagingofthenationwillbrin
8、gaboutseriouseffects.Themostobviouseffectisperhapsaneconomicone:howwillthecountrybearthecostofcaringfortoomanyoldpeople?Theoldareco
