选修7_Unit21_lesson3_Epidemics_Explained课件2

EpidemicsExplainedDoyourememberSARS?WhatdidyoufeelwhenSARSwasspreading?What’stheoutcomeofSARS?BesidesSARS,whatotherdiseasescanbeepidemic?AIDS,flu,TB,Justinian’sPlague,theBlackDeathEpidemicsthroughouthistoryMatchthefiveparagraphs(A-E)withgaps2,4,7,9and11inthetext.ABCDEParagraph2Paragraph4Paragraph7Paragraph9Paragraph11Readingstrategies:Sequencingofinformation1.Readthetextwithgapstogetthegeneralideaandseehowitdevelops2.Readthesentencesbeforeandafterthegapstogiveyouanideaofwhatthebeginningorendofthemissingparagraphmightreferto3.Readthemissingparagraphsandlookforthesereferences.4.Ifaparagraphdoesn’tseemtofit,youmayhavemadeamistake,socarefullyrereadeachparagraph.timeepidemicareasnumberofthepeopledied500-550ADTheBlackDeathThewholeworld774timeepidemicareasnumberofthepeopledied500-550ADTheBlackDeathThewholeworld774Justinian’sPlague（查士丁尼瘟疫）NorthAfricaTheMidEastEurope25-50percentofthepopulationInthe1330’sAsia-worldwideonehalftoonethird1918TheGreatFluEpidemic25-50million2002-2003SARSChina-worldwideMatcheachepidemicwiththestatementsJustinian’sPlagueoneoftheearliestonrecordPerfectconditionswereprovidedforthediseasetospreadThemostacuteworldwideepidemicItwasactuallyadiseasecalledbubonicplague黑死病ItwasoneofthekeycausesofthefallofanempireTheBlackDeathPerfectconditionswereprovidedforthediseasetospreadLesspopulatedareaswerelessseverelyaffectedItwascompletelynewtophysiciansMostpeoplehadnonaturaldefensesagainstthediseaseTheGreatFluEpidemicThemostacuteworldwideepidemicItisalsocalledtheSpanishFluItstruckneartheendoftheFirstWorldWarMorepeoplediedofthefluthandiedinthewarItwascompletelynewtophysiciansSARSItwascompletelynewtophysiciansItbeganwithanabnormallungsdiseaseMostpeoplehadnonaturaldefensesagainstthediseaseYet,ithasbeenforgottenbyhistoryDiscussionWorkingroupof4.Imagineyouareafuturologist.Nowyoupredictanepidemicinthefuture.Trytouseasmanywordsandexpressionsyouhavelearntinthepassageaspossible.Name?When?Where?Effect?willbespreading,willhavekilled,…Languagepointsontherise在增长inhistoricalaccounts历史记载wasattemptingtodo试图做……sweepthrough席卷diefrom/dieof死于oneofthekeycauses主要原因之一inthe1330’s十四世纪三十年代climatechange气候变化alackof缺乏provide…for…为…提供…spreadworldwide世界范围内蔓延inhighlypopulatedareas人口密集地区itisbelievedto被认为…inhistory历史上beginwith以…开始spreadto/spread…to…扩到…thenumberofglobecases全球病例总数naturaldefencesagainstthedisease疾病的自然抗体washarmfulto对…有害makeup构成(弥补,化妆,编造)stopthevirusinitstracks当场制止病毒传播DetailreadingUnderlineimportantcollocationsandworkouttheirmeanings.ontheriseinhistoricalaccountswasattemptingtodosweepthroughdiefrom/dieofoneofthekeycausesinthe1330’sclimatechangealackofprovide…for…spreadworldwideinhighlypopulatedareasitisbelievedtoinhistorybeginwithspreadto/spread…to…thenumberofglobecasesnaturaldefencesagainstthediseasewasharmfultomakeupstopthevirusinitstracksUsethefollowingphrasestofinishtheexerciseontherisediefromdieofalackofprovide…for…washarmfultomakeup1.Thehotel________areservationoftickets_____itsresidents（房客）.2.Howcanwe__________toyouforwhatyouhavesuffered?3.Hisfather________cancerwhenhewas10yearsold.4.Eatingmuchandexercisinglittle______________yourhealth.5.Thecostoflivingis__________aspricesareincreasingatpresentprovidesformakeupdiedofisharmfultoontherise预定somehow:(1)forsomevaguereasonorother莫明其妙地,不知怎么地，反正SomehowIdon’ttrustthatman.Shesomehowgotlost.她不知道怎么就迷了路。(2)设法地,借某种方法我们总得设法找钱付房租。我们总会有办法到那里的。Wemustfindmoneyfortherentsomehow.Weshallgettheresomehow.abnormal:adj不正常的，反常的；变态的我们认为这样的反常现象不会持续很久。Wedonotthinksuchanabnormalphenomenonwilllastlong.populated:adj有人居住的athickly/highlypopulatedcity人口稠密的城市Thenewlandwasquicklypopulatedbythenewsettlers.severely:adv(1)严格地;严厉地不小心驾驶会受到严惩.Dangerousdrivingshouldbeseverelypunished.(2)严重地患重病/负重伤beseverelyill/woundedlack(1)n.缺乏,短缺的东西,常与of连用Thereisnolackofvegetable.Theplantsdiedforlackofwater.(2)vt.缺乏；不足；没有lacksthHelackscourage/confidence.Ilackwordswithwhichtoexpressmythanks.belackingin=lacksth.alarm1）vt.使惊慌，使恐慌2）n.警报的声音或信号firealarm火警报警铃alarmclock闹钟alarmingadj.使人惊动的,令人担忧的alarmedadj.担忧的,惊慌的1effectsa)doctor2abnormalb)bad3physicianc)get4harmfuld)part5staffe)grow6aspectf)results7expandg)records8techniquesh)unusual9accountsi)ways10acquirej)workersMatchthewordsfromthepassagetheirmeanings(a-j).7.Findthecorrectprepositionstocompleteeachofthesephrasesfromthetext.1...thebeginning___________life__________Earth...(para.1)2...25%and50%______________thearea'spopulationdied_________________thedisease...(para.3)3...wasone__________________thekeycauses______________thefad_____________________theRomanEmpire...(para.3)4...struck_________________theend__________________thefirstWorldWarandcontinued_________________thewar...(para.6)ofonoffromofofofnearofafter