北師大版高中英語(yǔ)選修七unit21-lesson課件

Lesson3

EpidemicsExplainedModule7Unit211stperiodHand-Feet-MouthDiseaseisakindofdiseasespreadingquickly.H1N1influenza（甲流）

isalsoakindof

diseasespreadingquickly.epidemicDoyouknowanyotherepidemics?theBlackDeath,theSpanishFluHand-Feet-MouthDisease,H1N1influenza，SARS，

theBirdFlu…ItisreportedthattheBirdFlu(from1997tonow)isamodernadaptation（變種）oftheSpanishFluof1918西班牙型流行性感冒是人類歷史上最致命的傳染病，在1918~1919年曾經(jīng)造成全世界約10億人感染，2千5百萬(wàn)到4千萬(wàn)人死亡（當(dāng)時(shí)世界人口約17億人）；其全球平均致死率約為2.5%-5%，和一般流感的0.1%比較起來(lái)較為致命。其名字的由來(lái)并不是因?yàn)榇肆鞲袕奈靼嘌辣l(fā)；而是因?yàn)楫?dāng)時(shí)西班牙有約8百萬(wàn)人感染了此病，甚至連西班牙國(guó)王也感染了此病，所以被稱為西班牙型流行性感冒。至于在西班牙則稱此為法國(guó)型流行性感冒。

Ascientistlooksthroughthehistoryofepidemicstofindclues(線索）fortheBirdFluinthefuturetostopitfromspreadingallovertheworld.

EpidemicsthroughouthistoryObjectivesAttheendofthelesson,youareexpectedtobeableto:identifythestructureofthearticle.usethestrategiesofsequencingtoputthetextbacktogether.completethesentencesinEx.4voiceyourfeelingsaboutepidemics.arrangingeventsinorderSkimthetitletogetthegenaralideaCanyouguesshowthepassagedevelopsaccordingtothetitle?

InorderoftimeInorderofspaceInorderoflogic(邏輯）

InorderofplaceEpidemicsthroughouthistoryReading*Para.1Para.2whyscientistslookthroughthehistoryofepidemics.Theywant________.tofindouthowepidemicshavehappenedtopredictandpreventepidemicsinthefuturetoseehowbacteriaandviruseshavebeenaffectedhumanlifetoseewhatthefutureoftheworldwillbelike*Para.13

whatshouldwedo?ReadingPara.1Statement:TheBirdFluisamodernadaptationoftheSpanishFlu.Para.2whyscientistslookthroughthehistoryofepidemics.Theywant________.tofindouthowepidemicshavehappenedtopredictandpreventepidemicsinthefuturetoseehowbacteriaandviruseshavebeenaffectedhumanlifetoseewhatthefutureoftheworldwillbelikeProblem:howtoforeseeandpreventit?Readthelastparagraph(Para.13)andseewhatweshoulddo?*CountrieswillneedtoworktogethertofindacureforBirdFluassoonaspossible.*WehavetohavefaiththattherewillbesolutionsintimetostopabirdFluepidemicinitstracks.Measure:effort&faithMatchthefiveparagraphs(A-E)withgaps3,5,8,10and12inthetext.ABCDEParagraph3Paragraph5Paragraph8Paragraph10Paragraph12Para.312(Discussion)ReadingAECDBAnanalysisoftheproblem

Readingstrategies:Sequencingofinformation1.Readthetextwithgapstogetthegeneralideaandseehowitdevelops2.Readthesentencesbeforeandafterthegapsandfindoutthekeywordsorkey

information3.Ifaparagraphdoesn’tseemtofit,youmayhavemadeamistake,socarefullyrereadeachparagraph.Thestructureofthisarticle1(para.1).Statement:BirdFlu=SpanishFlu2(para.2).Problem:HowtoforeseeandPreventit3(para.3-12).Ananalysisoftheproblem4(para13).Measure:effort&faithScanthepassagetogetdetailedinformationtimeepidemic

areas

death500-550ADJustinian’sPlague(賈斯廷瘟疫)theBlackDeathThewholeworld774peopleNorthAfricatheMidEastEurope50%ofthepopulationInthe1330’sAsiaEuropeonehalfofthepopulation1918theSpanishFlu50millionpeople2002SARSChinaVietnamSingaporeFilloutthetableandmakesentences.In___,_____spreadin______andkilled________.Weknowthatepidemicshavebeenwithusforthousandsofyearsbecause…AlarmingbacteriaandviruseshavebeenaroundussincethebeginningoflifeonEarthandmanyoftoday'sdiseasesaslongashumanshave.nomatterhowgoodmodernscienceis,afutureepidemicisaroundus.DrGarciaVoiceyouropinionsHowdoyoufeelnow?DoyouthinktheBirdFluwillreally

spread?Whyandwhynot?Ifso,whatwillyoudo?Preventionisbetterthancure.Unityispower.(團(tuán)結(jié)就是力量)Hom