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1、牛津高二英语M7U2Fitforlife教案ThethirdperiodReading(2)Teachingaims:(1)EncouragetheSstoraisereadingabilitybyfocusingonlanguagepoints.(2)GettheSstograspthenewIanguageusageinthetextbylearningthem.Importantpoints&difficultpoints:Languageusage:trial;thin;note;application;mass;dueto;carry
2、out;reducetheriskof;inlargequantities;adreamcometrue;notuntil;itis…before…Procedure:Step1RevisionAspirinhassavedmanypeople'slivesbyreducingfeverandhelpingstopp•LawreneeCravenintroducedtheideathataspirincouldreducetherofheartattacksbythinningblood・In1971,SmithandWillispthatas
3、pirinwasablood-thinningmedicineandastudyshowedthatachemicalinaspirincouldpreventas.In2003,aChinesedoctorfoundthatthischemicalcouldreducebloodslevelsandhelppeoplewithdiabetes.Penicillin,discoveredbyAlexanderFlemingin1928,isctobeoneofthemostimportantmedicinesincontemporarys.Ho
4、wardFloreyandErnstChainmanagedtousenewchemicaltopurifyittobeamedicine.Duetoitswidespreaduse,manylivesweresavedduringWorldWarILPenicillinisalsousedtotreatotherillnessesipneumonia.In1945,Fleming,FloreyandChainstheNobelPrizeinMedicinefortheirwork.Languagecheck:(l)Choosethecorre
5、ctanswer.1.Ifyouopenupanymedicinecupboardintheworld,thereisahighprobabilityyouwillfindaspirinandpenicillin.A.whichB.whatC.thatD.when2.Wasitin1897aEuropeanchemistcalledDrFelixHoffmannproducedacetylsalicylicacid(ASA)fromsomeotherchemicalstomakeamedicineforhisfather?A.whenB.whi
6、chC.thatD.inwhich1.LawreneeCraven,adoctorfromtheUSA,istheauthorofseveralpublishedreports,oneofintroducedtheideain1953aspirincouldreducetheriskofheartattacksbythinningblood.A.which;thatB・that;whichC・which;whichD.whom;that2.In1977,astudycarriedoutintheUSAshowedthatthechemicalA
7、SAinaspirincouldpreventastroke,isatypeofseriousillnessbloodvesselsinthebrainburstsuddenlyorareblocked.A.that;whatB・which;whenC.that;whichD.which;that3.In1999,aspirinwas100yearsoldandyettherehavebeenmorediscoveriesonitcanhelpincreasethelengthofpeople'slives.A.thatB.whenC.what
8、D.how4.HoweveritwasWorldWarIItwootherscientists,HowardFloreyandErnstChain,m
