Unit 21 Lesson 3 Epidemics Explained (包含语言点详解, 课堂练

Unit21Lesson3EpidemicsExplainedDoyoustillrememberSARS?HowdidyoufeelwhenSARSwasspreading?What’stheoutcomeofSARS?BesidesSARS,whatotherdiseasescanbeepidemic?AIDSSARSInfluenza(=flu)BirdFluSwineFluHand-Feet-MouthDiseaseTuberculosis(=TB)肺结核•Deathsilentlyleapt(跳跃)fromhousetohouse,tillhenearlylosthisprey(被掠食者).--FrancisMacnamaraBritish•Peopledroppeddeadlikeflies(苍蝇).Grief-stricken(极度忧伤的)mothersmournedtheirsons’death,tilltheirtearsrandry.画家笔下的中世纪黑死病景象DrGarcianomatterhowgoodmodernscienceis,afutureepidemicisinevitable.*epidemiccancerwipeouturban*rebuildempiretrial*prohibitunitepausen.流行病,传染病n.癌，癌症彻底毁灭adj.城市的vt.重建n.帝国n.实验vt.禁止vt.联合，团结n.暂停，停顿NewWords*acutestatisticssymptomroutinepressparalleltissue*adaptationforeseemournadj.剧烈的，严重的n.统计资料，统计数字n.症状n.常规，惯例n.新闻界，报界v.按,压n.平行线，极相似之处n.组织n.变化，变种vt.预见(foresaw-foreseen)vt.感到悲痛，表示哀悼NewWordscarrierprescription*tabletunderline*thorough*systematic*teamworkfaithstopsth.initstrackspilln.带菌者n.处方n.药片vt.强调,下划线adj.彻底的adj.系统化的n.协作，配合n.信心终止，消灭n.药丸，药片NewWordsWorkinpairs.Doyouthinkthesestatementsaretrue(T)orfalse(F)?1)Flukillsmillionsofpeopleeveryyear.2)Mostdiseasesareverynew.3)Epidemicshaveaffectedhistoricalevents.5)Epidemicscanwipeoutuptohalfofthepopulationinurbanareas.6)Morepeoplediedofafluepidemicin1918/1919thandiedinWorldWarI.4)Ittakesyearsforadiseasetospreadworldwide.Unfortunately,theyareallbloodytruth.ReadingReadingstrategies:Sequencingofinformation1.Readthetextwithgapstogetthegeneralidea.2.Readthesentencesbeforeandafterthegaps.3.Readthemissingparagraphs.4.Putthemissingparagraphsinthegaps.5.Rereadthewholepassage.SkimthepassagetogetthemainideaReadthetexttofindhowthepassagedevelop?A.InorderoftimeB.InorderofspaceC.InorderoflogicReadingMatchthefiveparagraphs(A-E)withgaps3,5,8,10and12inthetext.ABCDEParagraph3Paragraph5Paragraph8Paragraph10Paragraph12Howmanyepidemicsinthehumanhistoryarementionedinthistext?Para.1&13:___________Para.3&4:___________________________________________________________Para.5&6:_____________Para.7&8:_____________Para.9~12:____________BirdFluEpidemicinRomanEmpire=(Justinian’sPlague)查士丁尼瘟疫BlackDeathSpanishFluSARStimeepidemicareasnumberofthepeoplediedJustinian’sPlagueNorthAfrica,middleEast,Europeupto50%ofthearea’spopulationInthe1330’sEurope,Asia,AfricaandMiddleEastuptoonehalfofthepopulation1918SpanishFluupto50millionin18months2002SARSChina,Canada,Vietnam,Singapore500-550ADTheBlackDeathThewholeworld774BirdFlu1997morethanahundredlivesFirstinHKtheearliestonrecordGreatFlumodernadaptationMatcheachepidemicwiththestatementsBirdFluPara.1&13It’samodernadaptationofSpanishFluThoroughandsystematicmedicalresearchwillleadtoacureassoonaspossible.Ithasbecomeaglobalepidemic彻底而系统的导致,产生n.治愈的方法Justinian’sPlaguePara.3&4oneoftheearliestonrecordThemostacuteworldwideepidemicItwasoneofthemaincausesofthefalloftheRomanEmpire记录在案n.衰落empire,emperor,empressaffectedhistoricaleventsTheBlackDeathPara.5&6PerfectconditionswereprovidedforthediseasetospreadworldwideCrowdedurbanareasweremoreseverelyaffectedItwascompletelynewPara.E.Line5Line6_____,_____________and__________________________.Warcrowdedcitiesalackofbasichealthroutines缺乏基本的卫生习惯TheGreatFluEpidemicPara.7&8ItstruckneartheendoftheFirstWorldWarThemostacuteworldwideepidemicTheyoungandfitweremorelikelytobeaffectedMorepeoplediedofthefluthandiedinthewarItwascompletelynewV.(疾病、灾难等)侵袭；攻击年轻力壮者SARSPara.9~12ItwascompletelynewItbeganwithalungdiseaseMostpeoplehadnonaturaldefensesagainstthediseaseYet,ithasbeenforgottenbyhistory天然防护(抗体)SpanishFluTherewereno___________drugsor______totreatit.prescriptiontablets•“WithrecentpressreportsdrawingparallelsbetweenBirdFluandakillerepidemicinthepast,JimSmithlooksthroughthehistoryofepidemicsforclues(线索)aboutwhatthefuturemighthold.”•drawparallelsbetweenA.todrawthesign“=”B.toshowtwodifferentthingsaresimilarWhatdoesthewritertellusinthebackgroundintroduction?•lookthroughA.toexaminesth.carefullyB.tolookatsth.withaglance(一瞥)Theintroductionintendstoshowusthat:•BirdFluissimilartoakillerepidemicinthehistory;•Scientistsarelookingforcluestohelpfuturestudy.Readthesecondparagraphandfindoutwhyscientistslookthroughthehistoryofepidemics.•Scientistshope________.A.tofindouthowepidemicshavehappenedB.topredictandpreventepidemicsinthefutureC.toseehowbacteriaandviruseshavebeenaffectedhumanlifeD.toseewhatthefutureoftheworldwillbelike“…todiscoverthecausesandeffects(因果关系)ofepidemics,andhopefully,foreseeandpreventtheminthefuture.”Readthelastparagraphandseeifthewriterpresentsasolution?Ifhedoes,whatisitorwhatarethey?1.Yes,hedoes.2.“Countrieswillneedtoworktogethertodothis”;WehavetohavefaiththattherewillbesolutionsintimetostopabirdFluepidemicinitstracks.find“acureforBirdFluassoonaspossible”Howdoeshesupporthissolution?——Byanalyzingtheepidemicsinhistory.Thestructureofthisdiscursiveessay1.Statement:BirdFlu=SpanishFlu2.Problem:Howtoforeseeandpreventit3.Ananalysisoftheproblem4.Solution:Internationaleffort&faithCompletethesesentencesaboutthetextinyourownwords.1.Weknowthatepidemicshavebeenwithusforthousandsofyearsbecause…2.Anepidemicmayhavebeenoneofth