新视野大学英语读写教程book1 unit5 section A.ppt

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1、TheBattleAgainstAIDSAIRFORCEUNIVERSITYOFENGINEERINGSectionAFOREIGNLANGUAGETEACHINGANDRESEARCHPRESSUnit5TheBattleAgainstAIDSIII.TextStudyI.Lead-inII.Pre-readingActivitiesV.ParagraphWritingIVSummaryNHCELead-in课文小结预习写作HumanBeingsWildMonkeyTechnologicalPro

2、gressAIDSIsthereanyrelationshipbetweenthefourpictures?NHCEFormoreLead-in课文小结预习写作Back随笔HumanBeingsWildMonkeyTechnologicalProgressAIDSThepossiblerelationshipbetweenthemisasfollows:inone’scontactwith…happenedtogetinfectedwith…;Tips...madeprogressin…thusma

3、kingitpossiblefor…tospreadfaster.NHCETipsMoreQuestions1.Howdidsucharelationshipcomeintobeing?2.Whydidsuchacasualincidentturnouttobeabigthreattotheworld?3.Whatisthecurrentstatusofthedisease?Lead-in随笔ClickhereNHCE课文小结预习写作BackTobecontinuedThepossiblestorygoesli

4、kethis:Inorderto…madetheirwayinto…for...Duringtheseactivities,however…somethingfrom…thenaturalcarriersof...Thus,inreturn…madeitswayinto...1.Howdidsucharelationshipcomeintobeing?Lead-in随笔TipsNHCETips课文小结预习写作Back…stayunknownuntillate1970s,when...By1990,thereha

5、dbeennocontinentintheworld,whichremainedfreefrom...Takeacriticallookat…and…getatthebottomofthematter:Muchofourprogressthat…hasalsomadeitmorepossiblefor…todogreaterthreatto...2.Whydidsuchacasualincidentturnedouttobeabigthreattotheworld?Lead-in随笔TipsNHCETips课

6、文小结预习写作Backsadtosay;beinfectedwith…;noeffectivecureforit;turnfortheworse;whattobedoneaboutitratherthanremaininactive3.Whatisthecurrentstatusofthedisease?Lead-in随笔TipsNHCETips课文小结预习写作BackPre-readingActivitiesBackgroundInformationCompoundDictationWatchandDiscu

7、ss课文小结写作导入NHCEAIDS(1)复合听写视频讨论AIDSstandsforAcquiredImmuneDeficiencySyndrome.Itisdefinedasoccurringinpeoplewithantibodies(抗体)toaviruscalledHumanImmunodeficiencyVirus(HIV),whichisthoughttohaveoriginatedinAfricanmonkeysandpassedtohumanpopulationsduringthetwen

8、tiethcentury.Back课文小结写作导入随笔NHCEAIDSAIDS(2)HIVspreadsthroughcontactwithinfectedblood,infectedsexualpartners,orwithinthewombofaninfectedpregnantmother.Afterinfectingaperson,HIVcanremainhiddenin