高中英语 Unit3 protecting ourselves-Grammar and usage课件 牛津译林版选修10 课件VIP免费

GrammarandusageGrammarandusageThedevelopmentofatextUnit3ProtectingourselvesHowtodevelopatext?Atextshouldbewritten…Thediagramofatext:TitleBeginningBody1Body2ConcludingTopicsentenceSupportingsentenceHookTopicsentenceSupportingsentenceSupportingsentenceTopicsentenceConcludingsentence1.AtitleItshouldnotbetoolongandshouldbeclearandsimple.2.AbeginningparagraphItshouldcontainatopicstatement,whichisusuallythefirstsentence.Asinotherparagraphs,thebeginningparagraphshouldhavesupportingsentencesfollowingthetopicsentence.Thebeginningparagraphshouldcapturereader’sattentionandkeeptheminterestedinreadingthetext.3.BodyparagraphsTopicsentences.Thetopicsentenceisusuallythefirstsentenceoftheparagraphandcontainsthemainideaofit.Thetopicsentenceshouldbesimpleandclearforreaderstocatchitsmeaning.3.BodyparagraphsSupportingsentences.Supportingsentencesfollowthetopicsentenceandprovidedetailsorprooftosupportit.Theyexpandontheideapresentedinthetopicsentence.3.BodyparagraphsConcludingsentence.Thelastsentenceofaparagraphsometimesintroducesthemainideaofthenextparagraph.4.AconcludingparagraphItshouldcontainafinaltopicstatement(ormaybeaprediction),oritcouldrefertotheexamplementionedinthebeginningparagraph.Let’spractice:(Tellthefunctionofthefollowingpart)titleAidstoday2.Abeginningparagraph§1.WhendiscussingtheproblemofAids,weusealotoftechnicalandscientifictermsonthiswebsite.topicsentence§2.InanAfricanvillage,eleven-year-oldAjanihearsafar-offscreamashewasheshislittlesisterinabaththatleakswater.hook3.Bodyparagraph§3.AidsiscausedbyaviruscalledHIV,whichentersperson’sbloodandattackthebody’simmunesystem.topicsentence§4.Astheimmunesystemweaken,itlosestheabilitytofightillnesses.supportingsentence1.Finishofftheexercisesonworkbook.2.Practisewritingapassageaccordingtowhatyouhavelearnttoday.