高中英语Unit21Lesson3Epidemicsthroughouthistory教案北师大版选修7.docx

高中英语Unit21Lesson3Epidemicsthroughouthistory教案北师大版选修7.docx

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高中英语Unit21Lesson3Epidemicsthroughouthistory教案北师大版选修7

2019-2020年高中英语Unit21Lesson3Epidemicsthroughouthistory教案北师大版选修7

1.Withnewhealththreatsontherise,JamesMadisonlooksatepidemicsthroughouthistory.

BacteriaandviruseshavebeenaroundsincethebeginningoflifeonEarthandmanyoftoday’sdiseaseshavebeenexistedaslongashumanshave.It’simportanttolookatthespreadofdiseasesthroughouthistorytodiscoverthecausesandeffectsofepidemics.

2.----

ScientistsnowthinkthatJustinian’sPlaguewasactuallyadiseasecalledbubonicplague.Theyestimatethatbetween25%and50%ofthearea’spopulationdiedfromthediseaseandthinkthattheepidemicwasoneofthekeycausesofthefalloftheRomanEmpire.

4----

5.InhighlypopulatedareasalloverEurope,Asia,AfricaandtheMiddleEast,onehalftoonethirdofthepopulationwaslosttotheBlackDeath.Lesspopulatedareas,mostlyinnorthernEurope,werelessseverelyaffected.

6.AnotherepidemicthatstartedandspreadinsimilarconditionswastheGreatFluEpidemicof1918（alsocalledtheSpanishFlu）.ItstruckneartheendofthefirstWorldWarandcontinuedafterthewarwasfinished.

7.-----

8.Oneepidemicthatwehaven’tforgottenyetistheSARSepidemicofxx/xx.itbeganwithanabnormallungdiseaseinGuangdongProvinceandspreadworldwideafterDrLiuJianjuncametoHongKong.Hestayedatahotelwherethediseasespreadtofourmorepeople.Whenthesepeopleleftthehotelandreturnedhome,theyspreadthediseasetoCanada,HongKong,VietnamandSingapore.

9-----

10.NoonereallyknewmuchaboutSARSasitwaspletelynewtophysicians.Doctorsweren’tsurehowtotreatitorpreventitandsincemostpeoplehadnonaturaldefencesagainstthedisease.ItwasalsoharmfultothedoctorsandpursestreatingtheSARSpatients.Hospitalstaff,especiallynurses,madeup21%ofthecases.

11----

AHavingkilledbetween25and50millionpeoplein18months.Itisbelievedtobethemostacuteworldwideepidemicinhistory.Morepeoplediedofthefluthandiedinthewar.Yet,somehow,ithasbeenforgottenbyhistory.

B.Althoughaspectsofmodernlife,suchaswidespreadairtravel,allowedtheSARSepidemictoquicklyexpandacrosstheglobe,otheraspects,suchasimprovedmunicationtechnologyandimprovedmedicalresearchtechniques,allowedhealthexpertstheworldovertoshareknowledgeandworktogethertostopthevirusinitstracks.

CInthe1330’s,thebubonicplaguereturned,thistimeinAsia.Itwouldspreadrapidlyandetobeknownas“TheBlackDeath”.TheconditionsinmuchofAsiaandEurope–war,climatechange,alackofadequatefood,crowdedcitiesandalackofbasichealthroutines---providedtheperfectconditionsforthediseasetospreadworldwide.

DOverninemonths,thenumberofglobalcasespassed8,000and774peopledied.AlthoughthesenumbersaremuchsmallerthanthenumberforotherdiseasessuchasTBorflu,whichkillmillionseveryyear,theoutbreakwasstillveryalarmingforafewkeyreasons.

F.Epidemicsaredescribedinhistoricalaccountsasearlyas430BCandoneoftheearliestonrecordisJustinian’sPlague.Ithappenedabout500-550ADasRomanEmperorJustinianwasattemptingtorebuildandacquiremorelandfortheRomanEmpire.ItsweptthroughNorthAfrica,theMiddleEastandEurope.

（2）教案

小说人物形象归纳法

Readasciencearticleeasily

TeachingAims:

Toreadanarticleaboutepidemics

ToimprovetheSs’readingability

ToimprovetheSs’speakingability

Learningmethod:

Concluding

Teachingprocedure:

Step1:

Addressing

Step2:

Lead-in

1.Listentothesong“Tearsinheaven”.

2.What’syourfeelingafterhearingthesong?

3.Whywasthesingersosad?

4.Whatelsemaycausedeath?

5.Epidemicscancausemoredeathsthananythingelse.

Step3:

Readthetext

（1）Readthetitlecarefullyandgetsomegeneralideasofthetext

1.Predictwhatwillbetalkedinthetext

2.Readothertitlesanddiscusswhatwillbeinvolved

3.Whatisanepidemic?

（showpicturesaboutAIDSandbirdflu,andasktheSstogivetheirownanswers）

4.Whichofthefollowingdiseasesareepidemics?

AIDS,cancer,headache,flu,heartdisease,stomach-ache,TB,malaria,smallpox,SARS

5.Causesofepidemics:

virus

6.Tracksofepidemics

7.Epidemicsinhistory

（2）Findoutthemeaningsofthedifferentnumbersandknowmorefactsaboutthetext

1.AsktheSstofindoutthenumbersinthetextandtotalkabouttherelatedfactsaboutthem

2.GivetheSsanexample

3.AsktheSstopractiseinpairs

4.Askquestionsinturnsinclass

（3）Knowthefactaboutaneventorphenomenaindetails

（useaformtohelpyouifnecessary）

1.Talkabouttheeventsandfillintheblanks

epidemics

Time

Place

effect

SARS

xx/xx

G.D.-H.K.-Vm-Ca.-Sig

doctorsnursesaffected