北师大版高中英语选修七unit21-lesson课件

Lesson3

EpidemicsExplainedModule7Unit211stperiodHand-Feet-MouthDiseaseisakindofdiseasespreadingquickly.H1N1influenza（甲流）

isalsoakindof

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

theBirdFlu…ItisreportedthattheBirdFlu(from1997tonow)isamodernadaptation（变种）oftheSpanishFluof1918西班牙型流行性感冒是人类历史上最致命的传染病，在1918~1919年曾经造成全世界约10亿人感染，2千5百万到4千万人死亡（当时世界人口约17亿人）；其全球平均致死率约为2.5%-5%，和一般流感的0.1%比较起来较为致命。其名字的由来并不是因为此流感从西班牙爆发；而是因为当时西班牙有约8百万人感染了此病，甚至连西班牙国王也感染了此病，所以被称为西班牙型流行性感冒。至于在西班牙则称此为法国型流行性感冒。

Ascientistlooksthroughthehistoryofepidemicstofindclues(线索）fortheBirdFluinthefuturetostopitfromspreadingallovertheworld.

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

InorderoftimeInorderofspaceInorderoflogic(逻辑）

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(贾斯廷瘟疫)theBlackDeathThewholeworld774peopleNorthAfricatheMidEastEurope50%ofthepopulationInthe1330’sAsiaEuropeonehalfofthepopulation1918theSpanishFlu50millionpeople2002SARSChinaVietnamSingaporeFilloutthetableandmakesentences.In___,_____spreadin______andkilled________.Weknowthatepidemicshavebeenwithusforthousandsofyearsbecause…AlarmingbacteriaandviruseshavebeenaroundussincethebeginningoflifeonEarthandmanyoftoday'sdiseasesaslongashumanshave.nomatterhowgoodmodernscienceis,afutureepidemicisaroundus.DrGarciaVoiceyouropinionsHowdoyoufeelnow?DoyouthinktheBirdFluwillreally

spread?Whyandwhynot?Ifso,whatwillyoudo?Preventionisbetterthancure.Unityispower.(团结就是力量)Hom