TheBattleAgainstAIDSIII.TextStudyI.Lead-inII.Pre-readingActivitiesV.ParagraphWritingIVSummaryLead-in课文小结预习写作HumanBeingsWildMonkeyTechnologicalProgressAIDSIsthereanyrelationshipbetweenthefourpictures?FormoreLead-in课文小结预习写作Back随笔HumanBeingsWildMonkeyTechnologicalProgressAIDSThepossiblerelationshipbetweenthemisasfollows:inone’scontactwith…,…happenedtogetinfectedwith…;Tipsand,...madeprogressin…,thusmakingitpossiblefor…tospreadfaster.TipsMoreQuestions1.Howdidsucharelationshipcomeintobeing?2.Whydidsuchacasualincidentturnouttobeabigthreattotheworld?3.Whatisthecurrentstatusofthedisease?Lead-in随笔Clickhere课文小结预习写作BackTobecontinuedThepossiblestorygoeslikethis:Inorderto…,…madetheirwayinto…for...Duringtheseactivities,however,…somethingfrom…,thenaturalcarriersof...Thus,inreturn…madeitswayinto...1.Howdidsucharelationshipcomeintobeing?Lead-in随笔TipsTips课文小结预习写作Back…stayunknownuntillate1970’s,when...By1990,therehadbeennocontinentintheworld,whichremainedfreefrom...Takeacriticallookat…and…getatthebottomofthematter:Muchofourprogressthat…hasalsomadeitmorepossiblefor…todogreaterthreatto...2.Whydidsuchacasualincidentturnedouttobeabigthreattotheworld?Lead-in随笔TipsTips课文小结预习写作Backsadtosay;beinfectedwith…;noeffectivecureforit;turnfortheworse;whattobedoneaboutitratherthanremaininactive3.Whatisthecurrentstatusofthedisease?Lead-in随笔TipsTips课文小结预习写作BackPre-readingActivitiesBackgroundInformationCompoundDictationWatch&Discuss课文小结写作导入AIDS(1)复合听写视频讨论AIDSstandsforAcquiredImmuneDeficiencySyndrome.Itisdefinedasoccurringinpeoplewithantibodies(抗体)toaviruscalledHumanImmuno-deficiencyVirus(HIV),whichisthoughttohaveoriginatedinAfricanmonkeysandpassedtohumanpopulationsduringthetwentiethcentury.Back课文小结写作导入随笔AIDSAIDS(2)HIVspreadsthroughcontactwithinfectedblood,infectedsexualpartners,orwithinthewombofaninfectedpregnantmother.Afterinfectingaperson,HIVcanremainhiddeninthebodyforalongorashortperiodoftimeuntilitbecomesactiveanddevelopsintoAIDS,forwhichnoknowncureexists.Back课文小结写作导入复合听写视频讨论随笔AIDS(3)AIDSisaglobal,humanepidemic.TheWorldHealthOrganizationandUNAIDSestimatedthatbetween2.8and3.5millionpeoplewithAIDSdiedin2004.Anestimated22millionpeoplewithAIDShavediedsince1981.However,thesestatisticsareonlyestimates,asitisnotknownhowmanypeoplehaveactuallydiedofAIDS.Back课文小结写作导入复合听写视频讨论随笔Latino(s)IntheUnitedStates,Latinoreferstonon-Anglo-AmericancitizenswhoarelivingintheUnitedStatesofAmericaandareofLatinAmericanbackground.LatinosarethefastestgrowinggroupintheUSandexpectedtomorethandoubleinsizeby2020.Back课文小结写作导入复合听写视频讨论随笔CompoundDictationYouwillhearapassagethreetimes.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfromS1toS8withtheexactwordsyouhavejustheard.ForblanksnumberedfromS9toS11youarerequiredtofillinthemissinginformation.Fortheseblanksyoucaneitherusetheexactwordsyouhavejustheardorwritedownthemainpointsinyourownwords.Nowlistentothepassage.Back课文小结写作导入背景知识视频讨论Formore随笔AmericanhealthofficialsareadvisingpeoplewithHIVtotaketheirmedicineeverydayandnottostop.Theywarnthatbreaksintreatmentcouldsharplyincreasethe[S1]____ofAIDSordeath.[S2]_______attheNationalInstitutesofHealthsaytheirwarningis[S3]_____onfindingsfromalargestudy.It[S4]________theeffectsofcontrolledsuspensionsindrugtreatment.Thestudy[S5]_______morethanfivethousandpeople.Medicinescan[S6]________HIV,the[S7]____thatdevelopsintoAIDS.CompoundDictationriskExpertsbasedexaminedBack课文小结写作导入背景知识视频讨论随笔involvedsuppressvirusResearchersattheNationalInstitutesofHealthbeganthestudyinJanuaryof2002.TheycalleditSMART—[S8]_________forManagementofAnti-RetroviralTherapy.[S9]____________________________________________________.Thescientistsreachedmorethanninetypercentofthetargetbeforetheyhaltednewenrollmentslastmonth.Theydidsoearlierthanplanned.TheresearcherstestedallthepeopleforthelevelofCD-fourcellsintheirblood.Thesecellsareameasureofthestrengthofthebody’sdefensesystem.CompoundDictationStrategiesTheywantedtostudysixthousandpeoplearoundtheworldBack课文小结写作导入背景知识视频讨论随笔[S10]______________________________________________.Onegroupstayedoncontinuousanti-retroviraltherapy.Theytooktheirmedicineseveryday.Theotherstookthemperiodically.TheytookthedrugsonlywhentheirCD-fourcountfellbelowtwohundredfiftycellspercubicmillimeterofblood.[S11]_______________________________________________________________________________________.ThestudyfoundthatthesepatientsweretwotimesaslikelytodevelopAIDSortodieasthegrouponcontinuoustreatment.CompoundDictationTheresearchersdividedthepatientsintotwogroupsThepatientswouldgooffthedrugsagainoncetheircellcountclimbedabovethreehundredfiftyBack课文小结写作导入背景知识视频讨论随笔Watch&DiscussBack课文小结写作导入Directions:Watchthevideoandthendiscussthetopicsasfollows:VideoWatching2.WhatshouldwedotopreventAIDS?1.WhyisAIDSthegreatesthealthrisktous?KeyKey背景知识复合听写随笔BackMainIdeas&Structure3TextStudyNewWords1TextReading2小结预习写作导入课文分析NewWords&Expressions课文阅读随笔Back小结预习写作导入acquirevt.取得;学得immunea.免疫的deficiencyn.[C,U]缺乏,不足syndromen.[C]综合病症diagnosevt.诊断infectvt.传染;影响HIVn.[U]艾滋病病毒rurala.乡村的constitutevt.组成;设立;制定n.virusn.[C]病毒AID