高中英語人教版Unit3AHealthyLife（市一等獎(jiǎng)）

Unit3AHealthyLifeAsamplelessonplanforUsingLanguage(HIV/AIDS;AREYOUATRISK?)IntroductionLanguageislearnedtobeusedinandforcommunication.SointhisperiodweshallhavethestudentsWarmupbydiscussing,readforfactsaboutHIV/AIDS,scanthetextforinformationtoanswerthequestions,readandunderline,rewritethetextonpage22andlistenandtickanswers.TheclassendsbystudentsreadingaboutsymptomsofHIV/AIDS.ObjectivesTohelpstudentsreadthepassage“HIV/AIDS:Areyouatrisk?onpage22Tohelpstudentsusethelanguagebylistening,speakingandwritingaswellProcedures1.WarmingupbydiscussingTheRedRibbonsymbolisusedinternationallytorepresentthefightagainstAIDS.“特制紅領(lǐng)帶”為全球抗擊艾滋病的象征符號。Morningclass!HaveyoueverheardofHIV?Whatdoesitstandfor?HIVstandsforhumanimmunodeficiencyvirus.Itisathatinfectsthehuman.HIVisthethatcauses.ThenhowdopeoplegetHIV?PeoplecangetHIVseveralways:BabiescangetitfromtheirmotherswhentheyareGettingblood(a)Sharing2.ReadingforfactsaboutHIV/AIDS⑴Turntopage22.Scanthetextforinformationtoanswerthequestionsbelow. WhatisHIV?HowdoesHIVaffecthumanbeings?HowisHIVspread?WhatcanbedonetomakeonesafefromHIV?WhataresomeoftheuntruestatementsaboutHIV?⑵ReadingandunderliningNextyouaretogooverthetextHIV/AIDS;AREYOUATRISK?Jotdownalltheusefulexpressionsintoyournotebook.ExpressionsfromAREYOUATRISK?causedisease,weaken/damageaperson’simmunesystem,fightdisease,have…inone’sblood,developAIDS,bespreadthroughblood,makesexualfluidsduringsex,becomeinfected,carrythevirus,getinsidethebody,throughbrokenskin,byinjection,findacurefor…,protectoneself,makesurethat…,staysafe,injectdrugs,share…with…,stayon…,inject…into…,useacondom,prevent…~ing,passfrom…to…,havesex,asexualpartner,becomeinfected,haveHIV,carryHIV,lookperfectlyhealthy,progressto…,havesexwith…,beinfectedwith…,riskgettingthevirus,kisssomeonewithAIDS,visitsomeoneinhishome,getthediseasefrombloodorsexualfluid,loseone’sfriends,forthesamereason,noevidenceof…3.Writing,byimitation,apassageofyourownbasedonthetextonpage22Imitationwritingistakingtheworkofa'master'writerandusingthestructureandpatternsasaformtolearnandworkfrom.4.ListeningandtickinganswersTurntopage23andlistentoadialoguebetweenTinaandSaratalkingaboutgoingtoadisco.TickthethingsSaraisworriedaboutandcompleteTina’ssentences.5.ClosingdownbyreadingaboutsymptomsofHIV/AIDSSymptomsofHIV/AIDS艾滋癥狀HIVistransmittedbybodilyfluids,suchasblood,semen,breastmilk,andvaginalsecretions.ItcausesdiseasebyinfectingCD4+Tcells,atypeofleukocyte(whitebloodcell)thatnormallycoordinatestheimmuneresponsetoinfectionandcancer.Whenaperson'sCD4+Tcellcountdecreasessufficientlyheorsheispronetoarangeofdiseasesthatahealthyperson'sbodyisnormallyabletofight.Thesediseasesincludecancersandopportunisticinfections,whichareusuallythecauseofdeathinpersonswithAIDS.HIVmayalsoinfectbraincells,causingsomeneurologicaldisorders.課后活動(dòng)：與高考接軌：將文章分成四個(gè)部分，每個(gè)部分由一個(gè)小組負(fù)責(zé)講解其中的考點(diǎn)，并上臺展示，教師最后展示參考的版本：如下HIV/AIDS:AREYOURISK?HIVisavirus.Avirusisaverysmalllivingthingthatcausesdisease.Therearemanydifferentviruses,forexample,thefluvirusortheSARSvirus.HIV1（weak）aperson'simmunesystem;thatis,thepartofthebodythat2(fight)disease.YoucanhaveHIVinyourbloodfor3longtime,but4（eventual）HIVwilldamageyourimmunesystem5muchthatyoubodycannolongerfightdisease.Thisstageofthe6（ill）iscalledAIDS.IfyoudevelopAIDS,yourchancesof7（survive）areverysmall.HIVisspreadthroughbloodorthefluidthatthebodymakesduringsex.Forapersontobecome8（infect）,bloodorsexualfluidthatcarriesthevirus,hastogetinsidethebodythroughbrokenskinorby9（inject）.Onedayscientistswillfindacure10HIV/AIDS.Untilthathappens,youneedtoprotectyourself.Herearesomethingsyoucandotomakesureyoustaysafe.Ifyouinjectdrugs:donotshareyourneedle11anyoneelse.Bloodfromanotherpersoncanstayonorintheneedle.IfapersonhasHIVandyouusethesameneedle,youcouldinjectthevirusintoyourownblood.donotshareanythingelsethatapersonhasusedwhileinjectingdrugs.Bloodcouldhavespiltonit.Ifyouhavesexwithamaleorafemale:useacondom.Thiswillpreventsexualfluid12（pass）fromonepersontoanother.ThefollowingstatementsareNOTtrue.ApersoncannotgetHIVthefirsttimetheyhavesex.WRONG.IfonesexualpartnerhasHIV,theotherpartnercouldbecomeinfected.Youcantellbylookingatsomeone13ornottheyhaveHIV.WRONG.ManypeoplecarryingHIVlook14(perfect)healthy.ItisonlywhenthediseasehasprogressedtoAIDS15apersonbeginstolooksick.OnlyhomosexualsgetAIDS.WRONG.Anyone16hassexwithapersoninfectedwithH1V/AIDSrisks17(get)thevirus.Womenare18(slight)more19(like)tobecomeinfectedthanmen.Ifyouhug,touchorkisssomeonewithAIDSorvisitthemintheirhome,youwillgetHIV/AIDS.WRONG.Youcanonlygetthediseasefrombloodorsexualfluid.20(fortunate),peoplewithHIVsometimeslosetheirfriendsbecauseofprejudice.Manypeople