高中英语人教新课标选修6教案：Unit3 A healthy life Period 5

Period5　ReadingandWriting教学内容分析　　　Theteachingmaterialsofthisperiodcontaintwoparts.ThefirstpartisthereadingpassageonPage22titledHIV/AIDS：AreYouatRisk?whichisaboutwhatisHIV/AIDS，howitiscontactedandhowtoprotectoneselffromgettingthedisease.ThesecondpartisthewritingtaskonPage24，whichasksthestudentstowritealettertoLiXiaoleitogivehersomeadviceonherproblems.三维目标设计　　　Knowledgeandskills1．ToenablethestudentstoknowsomethingaboutwhatisHIV/AIDS，howitiscontactedandhowtoprotectoneselffromgettingthedisease.2．Togetthestudentstolearnthefollowingusefulnewwordsandstructures：judgment(看法；判决；判断)，awkward(局促不安的；笨拙的)，Itis/was...that/who...，belikelyto.3．Tohelpthestudentslearnhowtowritealettergivingadvice.[来源:Zxxk.Com]4．Tofosterthestudents'abilityinskimmingandlookingupinformationinreferencebooksandimprovethestudents'readingability.[来源:学科网]ProcessandmethodsReadingforspecificinformation，summarizing，discussingandpracticing.Emotion，attitudeandvalue1．Toarousestudents'awarenessoftheharmcausedbyHIV/AIDS.2．Tohelpstudentsnottoputthemselvesatriskoutofignoranceandtakeasympatheticattitudetowardsthosewhoalreadysufferfromthediseaseinsteadoflookingdownuponthem.教学重、难点　　　1．Theunderstandingofthereadingpassage.2．Thefollowingkeysentences：(1)Forapersontobecomeinfected，bloodorsexualfluidthatcarriesthevirus，hastogetinsidethebodythroughbrokenskinorbyinjection.(2)Herearesomethingsyoucandotomakesureyoustaysafe.(3)ItisonlywhenthediseasehasprogressedtoAIDSthatapersonbeginstolooksick.(4)Womenareslightlymorelikelytobecomeinfectedthanmen.3．Teachingthestudentshowtowritealettergivingadvice.Step1　RevisionChecktheanswerstothegrammarexercisesonPage21andexplainthedifficultones.Step2　Lead－inbyreadingthefollowingsentencesBytheendof2003，anestimated42millionaroundtheworldwerelivingwithHIV/AIDS.Duringtheyear,5millionpeoplebecameinfectedandanestimated3millionpeopledied.Aboutone－thirdofpeoplelivingwithHIV/AIDSare15－24yearsofage.Morethan7millionpeopleinAsiaandthePacificarelivingwithHIV/AIDS.6,Step3　Pre－reading[来源:学,科,网][来源:学#科#网Z#X#X#K]Itislikelythatmanystudentshaveincorrectinformationaboutthedisease，soteachersshouldfirstgetstudentstotalkaboutsomethingaboutHIV/AIDSbyaskingthefollowingquestions：CanordinarypeoplebeattheriskofcontractingHIV？Inwhatwaycanpeoplegetinfected？Whatmeasurescanpeopletaketoprotectthemselves？WillpeopledieiftheyhaveHIV?Step4　FastreadingThispassagecanbedividedintothreesections.Scanthetextandfindoutwhat'sthemainideaofeachsection.Section1：_____________________________________________________________Section2：________________________________________________________________Section3：_______________________________________________________________Suggestedanswers：Section1：Backgroundinformationaboutwhatthediseaseis.Section2：Waystoprotectyourself.Section3：Tomakesomefalsebeliefsdisappear.Step5　Detailedreading1．Readthetextcarefullyandfillintheblanks.InformationaboutHIVWeakenaperson's(1)______．Spreadthrough(2)______orthefluidmadeduringsex.WaystoprotectyourselfDon'tshareyour(3)______withanyoneelse.Useacondomifyouhavesexwithamaleorafemale.SomewrongstatementsYoucantellby(4)______someonewhetherornottheyhaveHIV.Ifyouhug，(5)______someonewithAIDSorvisitthemintheirhomeyouwillgetHIV/AIDS.2.Decidewhetherthefollowingstatementsaretrue(T)orfalse(F)．(1)YoucanonlygetHIVfrominjectingdrugs.(2)ItisverylikelythatyouwilldieifyougetinfectedwithHIV.(3)Ifyoulookhealthy，youcannothaveHIV.(4)Itcouldbedangeroustohavesexwithoutusingacondom.(5)TakingfoodfromthesamedishesassomeoneinfectedwithHIVwillgiveyouHIVtoo.(6)IfyouhaveHIV，youwillalwaysgetAIDSeventually.Suggestedanswers：1．(1)immunesystem　(2)blood　(3)needle　(4)lookingat　(5)touchorkiss2．FTFTFTStep6　DiscussionDividethestudentsintogroupsofsixanddiscussthefollowingquestion.HasyourattitudetowardspeoplewithHIV/AIDSchangedafterreadingthepassage？Ifso，how？Ifnot，whynot?Askonestudentofeachgrouptoreporttheiranswer，andtheotherstudentscanchallengehisreport.Step7　LanguagestudyShowthestudentsthefollowinglanguagepointsinaslideshow.6,1．judgement(P23)【原句再现】Beforeyoureadthistext，whatjudgementsdidyoumakeaboutpeoplewithHIV/AIDS?在阅读这篇课文之前，你对感染艾滋病病毒的人有什么看法？【观察探究】(1)Hepassedjudgementontheguiltyman.他对那个罪犯作出了裁决。(2)Herdecisionseemstoshowalackofpoliticaljudgement.她的决定似乎显示出缺乏政治判断力。(3)Inmyjudgement，weshouldaccepttheirapology.依我看，我们应该接受他们的道歉。【归纳总结】judgementn．看法；判断；判决；inone'sjudgement在某人看来　passjudgementon作出裁决【词汇辨析】judgement，discrimination和sense这些名词均含“识别力、判断”之意。judgement指经过训练或磨炼或凭经历而得到辨别或判断事物的能力或品质。discrimination指辨别精微事物的能力，甚至平时观察不到的也可识别出来。sense指不带幻想、感情或偏见地观察事物，并能作出明智、公平的选择与决定。2．awkward(P24)【原句再现】ThensheofferedmeacigaretteandIfeltsoembarrassedandawkward.然后她递给我一支烟，我感到非常尴尬与不安。【观察探究】(1)Theheavyaxwasawkwardtouse.这把重斧头不好用。(2)Yourrefusalputsmeinanawkwardposition.你的拒绝让我感到十分为难。(3)Attheformalparty，Ifeltveryawkwardandoutofplace.在正式的舞会上，我感到局促不安，很不自在。【归纳总结】awkwardadj.局促不安的，笨拙的3．Forapersontobecomeinfected，bloodorsexualfluidthatcarriesthevirus，hastogetinsidethebodythroughbrokenskin，orinjection.(P22)携带病毒的血液或体液必须通过皮肤上的创口或通过注射才能进入人体，使人受感染。句中有一个that引导的定语从句，修饰bloodorsexualfluid；tobecomeinfected是不定式短语作person的后置定语。4．Herearesomethingsyoucandotomakesureyoustaysafe.(P22)你可以按照这里列举的一些注意事项去做，以确保自己安全。things后跟了一个定语从句youcando；动词不定式短语tomakesureyoustaysafe表示目的，makesure后接宾语从句youstaysafe，省略了连接词that，stay在此处是一个系动词，意为“保持”，后接形容词。例如：Theyaregoingtostayawaketoseethelunareclipse.6,他们打算不睡觉等着看月食。5．ItisonlywhenthediseasehasprogressedtoAIDSthatapersonbeginstolooksick.(P22)只有当这种病发展成艾滋病时，人才会显出病态。Itis/was...that/who...是强调结构，它可以用来强调句中的某些成分，如主语、宾语、状语等，但不能用来强调谓语和表语。原句是：ApersonbeginstolooksickwhenthediseasehasprogressedtoAIDS.6．Womenareslightlymorelikelytobecomeinfectedthanmen.(P22)女性感染病毒的可能性比男性稍微大一些。belikely后接不定式或从句，表示“可能会……”。如：He'slikelytoarrivelatethisafternoon.他今天下午可能会迟到一会儿。It'slikelythattheywillcampouttonight.他们今天晚上可能要在外面露营了。Step8　Writing1．ReadthisletterandimagineyouareWangPing，theadviserwhodealswithstudents'problems.WritealettertogiveLiHuasomehelpfuladvice.DearWangPing，Canyouhelpme，please？Ihavetriedtostopsmokingseveraltimes.IamOKfortwodaysandthenIfeelreallysickandirritableandIhavetostartsmokingagain.Iknowsmokingisabadhabit，butIjustcan'tseemtogiveitup.Doyouhaveanyusefultips?Yourssincerely，LiHua2．Beforethestudentswritethepassage，guidethemtodothefollowingthings.(1)Helpstudentsdecidethetenseoftheletter.(2)Askthemtonotedown3－5tipstheywouldliketoincludeintheirletter.(3)Letthemdiscusswitheachotherhowtheywillorganizetheirletter.Onepossibleversion：DearLiHua，Iamsorryyouhavehadsomuchtroubletostopsmoking，butIamgladyouarestilltrying.Ihopethetipsbelowwillhelpyou.Firstofall，don'tgiveup.Themoreoftenyoutry，themorelikelyyouaretoeventuallysucceed.Whenyoufeelirritable，don'tautomaticallyreachforacigarettetomakeyoufeelbetter.Takeafewmomentstorelax.Startbybreathingdeeplyandliftingyourarmsouttothesideandoveryourhead.Itisagoodideatodrinklotsofwaterandeatlotsoffruitwhenyouarequittingsmoking.Thiswillhelptoremovethenicotinefromyourbodyfasterandyouwon'tfeelsosick.Itisnormaltofeelalittlestressedwhenyoufirstgiveupsmoking，buttrytorememberthatitwillonlylastafewdaysandthenyouwillbegintofeelmuchbetter.[来源:学.科.网]Keepupthegoodwork，LiHua，andremindyourselfhowmuchhealthieryouwillbewhenyoufinallyquit.Goodluckandbestwishes!Yourssincerely，WangPingStep9　Homework1．Masterthelanguagepointsinthetext.6,2．阅读下面这封摘自21stCentury的一名中学生的来信，并据此写一封回信(信的开头已为你写好。词数120左右)。回信应包括如下要点：(1)鼓励Amy坚定求学信心，志存高远。(2)就Amy的目前状况，提两到三个建议。DearEditor，IamanewstudentatNo.1MiddleSchoolofChongqing.MyhomeisfarfromChongqing，soImustliveatschool.Thisisthefirsttimeformetogetawayfrommyparents.Ifeelverysad.WhenIlefthome，Icouldhardlytearmyselfawayfromthem.Idonotwanttobealoneatschool，andIamashygirl.Ihavebeencryinginbedatnightthesedays.Iwanttostayathomeforever.Imissmyparentsverymuch.Couldyoutellmewhattodo?Yourearlyreplyisexpected.Regards，Amy________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Onepossibleversion：DearAmy，Thankyouforyourletter.Iamsogladtohaveatalkaboutyourpresentsituationwithyou.Peopleoftenmisstheirparentsthefirsttimetheyleavehome.Mostpeopledohavetoleavehomeforhighereducationoremployment.Youcannotlivewithyourparentsforever.Ithinkyoushouldrealizethatpresentseparationwillhelpyouracademicdevelopmentandyourimprovementofpersonalability.Youneedtomakefriendsinyourschool，sharingideaswithyourclassmateswhoarephysicallyclosesttoyounow.Maybeyouwillstillmissyourparents，butyournewfriendswillbringhappinessandjoytoyournewlife.AlsoIsuggestyouenjoyyourselfbytakinganactivepartindifferentkindsofactivitiesinschool.Youwillgetmuchpleasurefromit.Wishyouhappyeveryday.Faithfullyyours，EditorStep10　Reflectionafterteaching________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________6,WhatWeStillDon'tKnowAboutAIDS？(艾滋病还有哪些未解之谜？)Inthe20yearssincethefirstcasesofAIDSweredetected，scientistssaytheyhavelearnedmoreaboutthisviraldiseasethananyother.YetPeterPiot，whodirectstheUnitedNationsAIDSprogram，andStefanoVellaofRome，presidentoftheInternationalAIDSSociety，andotherexpertssayreviewingunansweredquestionscouldproveusefulasameasureofprogressforAIDSandotherdiseases.Amongtheimportantbroaderscientificquestionsthatremain：1．WhydoesAIDSpredisposeinfectedpersonstocertaintypesofcancerandinfections?Along－standingbeliefisthatcancercellsconstantlydevelopandareheldincheckbyahealthyimmunesystem.ButAIDShaschallengedthatbelief.PeoplewithAIDSaremuchmorepronetocertaincancerslikenon－HodgkinslymphomasandKaposi'ssarcoma，butnottobreast，colonandlung，themostcommoncancersintheUnitedStates.Thispatternsuggeststhatanimpairedimmunesystem，atleastthetypethatoccursinAIDS，doesnotallowcommoncancerstodevelop.2．WhatroutedoesHIVtakeafteritentersthebodytodestroytheimmunesystem?WhenHIVistransmittedsexually，thevirusmustcrossatissuebarriertoenterthebody.Howthathappensisstillunclear.Thevirusmightinvadedirectlyorbecarriedbyaseriesofdifferentkindsofcells.3．HowdoesHIVsubverttheimmunesystem?AlthoughHIVkillstheimmunecellssenttokillthevirus，thereiswidespreadvariationintherateatwhichHIVinfectedpeoplebecomeillwithAIDS.Soscientistsask：Cantheelementsoftheimmunesystemresponsibleforthatvariabilitybeidentified？Ifso，cantheybeusedtostopprogressiontoAIDSininfectedindividualsandpossiblypreventinfectioninthefirstplace?4．Whatisthemosteffectiveanti－HIVtherapy?Intheory，earlytreatmentshouldofferthebestchanceofpreservingimmunefunction.ButthenewdrugsdonotcompletelyeliminateHIVfromthebodysothemedicines，whichcanhavedangeroussideeffects，willhavetobetakenforalifetimeandperhapschangedtocombatresistance.Thenewpolicyisexpectedtorecommendthattreatmentbedeferreduntiltherearesignstheimmunesystemisweakening.5．Isavaccinepossible?Thereislittlequestionthataneffectivevaccineiscrucialtocontrollingtheepidemic.Yetonlyonehasreachedthestageoffulltesting，andthereiswidecontroversyoverthedegreeofprotectionitwillprovide.HIVstrainsthataretransmittedinvariousareasoftheworlddiffergenetically.ItisnotknownwhetheravaccinederivedfromonetypeofHIVwillconferprotectionagainstothertypes.6．Intheabsenceofavaccine，howcanHIVbestopped?Withoutmoreincisive，focusedbehavioralresearch，preventionmessagesalonewillnotstoptheglobalepidemic.6