用M7U2Reading1公开课

NancyjoinsClass22inwelcomingallofyou!1.Helpstudentsknowsomethingabouttwomedicines.2.Practicestudents’abilityoflistening,speakingandreading.Teachingaimsanddemandsexercise/workoutregularlysleepenoughquitsmoking/drinkinghaveashottakemedicines1.Whatarethetwolife-savingmedicines?2.Whenweretheyinventedordiscovered?SkimmingAspirinwasinventedin1897,andpenicillinwasdiscoveredin1928.penicillinTheyareaspirinandpenicillin.Task-basedreading▲In_______times,peoplechewedonleavesordrankakindofteaor____madefromcertainleavesortreebarkto______bodypainsandfever.▲In1897,Dr.FelixHoffmanninventedaspirin.▲In1899,Dr.Hoffmann’scompanybegandistributingitinthe_____ofpowdertousewithpatients.▲In1900,itwassoldintabletformandsoonitbecamethebest-sellingmedicineintheworldforpain_______.(Para.2)Inventionjuicereduceformancientrelief●reducefeverandbody______,aswellasthe_____ofheartattacks,some_______andbloodsugarlevels.●helpwithdiabetes.●_______strokes.●increasethe______ofpeople’slives.Effectsofaspirin(Para.3)Listeningriskpreventlengthcancerspainsthedevelopmentofpenicillin192819401944PenicillinwasdiscoveredbyFleming.FloreyandChainsolvedtheproblemsandmanagedtomakeandtestthenewdruginlargequantities.Massproductionofpenicillinbegan.Fleming,FloreyandChainsharedtheNobelPrizeinMedicinein1945.thedevelopmentofpenicillin1928HowdidAlexanderFlemingdiscoverpenicillin?foundtheblue_________killedthebacteriainan__________byaccidentrealizedthatthemouldmighthavean___________intreatingsomeillnesscausedby_________.HemouldexperimentapplicationbacteriaeffectthedevelopmentofpenicillinWerethereanyproblemswhenpenicillinwasusedasadrug?★can’tfindaproceduretomakepenicillinpureenough.★isdifficulttoproduceeffectivepenicillininlargequantities.Consolidation:Trueorfalsestatements()1.Craven’sideathataspirincouldreducetheriskofheartattackwasacceptedin1953.()2.Dr.FelixHoffmannproducedaspirinfromsalicylicacidin1897.()3.Duetothewidespreaduseofpenicillin,manylivesweresavedduringWWII.()4.AlexanderFlemingmanagedtopurifythemedicine.()5.Aspirinisthebest-sellingmedicineinatimeandconsideredtobeoneofthemostimportantmedicinesincontemporarysociety.FTFTwasunabletoFpenicillinisignoredTestingtimeAspirinhassavedmanypeople’slivesbyreducingfeverandhelpingstopp______.LawrenceCravenintroducedtheideathataspirincouldreducether_______ofheartattacksbythinningblood.In1971,SmithandWillisp_____thataspirinwasablood-thinningmedicineandastudyshowedthatachemicalinaspirincouldpreventas_____.In2003,aChinesedoctorfoundthatthischemicalcouldreducebloods______levelsandhelppeoplewithdiabetes.Penicillin,discoveredbyAlexanderFlemingin1928,isc________tobeoneofthemostimportantmedicinesincontemporarys________.HowardFloreyandErnstChainm_______tousenewchemicaltechniquestopurifyittobeamedicine.D___toitswidespreaduse,manylivesweresavedduringWorldWarII.Penicillinisalsousedtotreatotherillnesses.In1945,Fleming,FloreyandChains_____theNobelPrizeinMedicinefortheirwork.Fillintheblanksaccordingtothetext.Aspirinhassavedmanypeople’slivesbyreducingfeverandhelpingstopp______.LawrenceCravenintroducedtheideathataspirincouldreducether_______ofheartattacksbythinningblood.In1971,SmithandWillisp_____thataspirinwasablood-thinningmedicineandastudyshowedthatachemicalinaspirincouldpreventas_____.In2003,aChinesedoctorfoundthatthischemicalcouldreducebloods______levelsandhelppeoplewithdiabetes.painriskprovedstrokesugarFillintheblanksaccordingtothetext.Penicillin,discoveredbyAlexanderFlemingin1928,isc________tobeoneofthemostimportantmedicinesincontemporarys________.HowardFloreyandErnstChainm_______tousenewchemicaltechniquestopurifyittobeamedicine.D___toitswidespreaduse,manylivesweresavedduringWorldWarII.Penicillinisalsousedtotreatotherillnesses.In1945,Fleming,FloreyandChains_____theNobelPrizeinMedicinefortheirwork.consideredsocietysharedDuemanagedHomework1.Reviewthetextandtranslatethephrasesfromyourlearningplan.2.Finishtheexercisesinyourworkbook.Thankyouforjoiningus!Wereallyappreciateyourpreciousadvice.