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Unit2FitforlifeReadingTwolife-savingmedicinesTeachingaims:Afterthisclass,thestudentswillbeableto:1.gainthemainideathroughfirstandsecondreading;2.improvestudents’thinkingabilitythroughdiscussion;3.understandsomemedicalterms.Teachingprocedures:Step1Revision1.药剂师；化学家___________________2.外科医师___________________________3.革命___________________________4.循环；传播_________________________5.不正常的_______________________6.症状；征兆_________________________7.对…有益_______________________8.对…吃惊_________________________9．测试，试验；参加选拔______________10.使筋疲力尽；使厌烦_________________Step2Lead-in1.Asweallknow,healthisveryimportanttous.Doyouknowhowtokeephealthy?2.Whenpeoplefallill,whatwilltheydo?3.Doyouknowwhattheyare?4.Doyouknowwhatillnessthesetwomedicinecancure?Step3Skimming1.Whenwasaspirininvented?2.WhatdidFleming,FloreyandChainshare?Step4CarefulreadingPartOneAspirinActivityone:readthefirstparagraphcarefullyandthenanswersomedetailedquestionsandfillintheformaboutthedevelopmentifAspirininancienttimes1.Whendidpeoplefindthatdrinkingaspecialteacouldreducefeverandpain?第1页共3页2.Whenwasaspirinfirstmadefromotherchemicals?ThedevelopmentoftheAspirinintheancienttimesTimeDevelopment3,500yearsago2,500yearsagoIn1897In1899Activitytwo:Readthesecondparagraphandtrytofillintheformbelow.ThedevelopmentoftheAspirininthemoderntimesTimeDevelopmentIn1900In1950In1971In1977In2003FillintheformabouttheeffectsofAspirinEffectsofAspirinPartTwoPenicillinActivitythree:Readthesecondpartquickly,andanswerthefollowingquestions.1.WheredidAlexanderFlemingfindpenicillin?2.WhatillnessesdidFlemingthinkthemouldmightbeusedtotreat?3.WhatdifficultiesdidFleminghaveindevelopingpenicillinasadrug?Activityfour:ReadthepassageagainandtrytofillintheformbelowEffectsofpenicillin第2页共3页Step5ConsolidationFillintheblankswithproperwordsaccordingtothereadingmaterial.Twolife-savingmedicinesAspirinInventionIn_____1_____times,peoplechewedonleavesordrankakindofteaorjuicemadefromcertainleavesortreebarktoreducebody____2____andfever.In1897,Dr.FelixHoffmanproducedaspirinandtwoyearslater,hiscompanybegantotryit___3___amongpatients.In1900,itwassoldinthe_____4_____oftabletsandsoonitbecamethe_______5_______medicineintheworldforpainrelief.FunctionsItcanreducefeverandhelpstoppain.Ithasthe______6______toreducetheriskofheartattacksandhelppreventstrokes.Itcanreducetheriskofsomecancers_____7____40%.Itcanreducebloodsugarlevels.PenicillinInventionIn1928,AlexanderFlemingfoundthebluemouldkilledthebacteriainanexperimentby______8______.Herealizedthatthemouldmighthavean_______9________intreatingsomeillnessescausedbybacteria.In1940,twootherscientistssucceededinpurifyingitandmadethemassproduction_______10_______.SignificanceItsavedmillionsoflivesduringWorldWarII.Step8Discussion1.Whatdoyouthinktheworldwouldbelikeiftherewerenomedicines?2.Doyoubelievethat‘wonderdrugs’willbeinventedtotreatdiseaseslikeAIDSinthefuture?3.Doyoubelievethatsomedaypeoplewillinventsomepillstokeepusenergeticallday?Step9Homework1.Writeabriefintroductiontothetwomedicines.2.Finishtheexercisesintheworkbook第3页共3页