高中英语必修7Unit 2 Fit for life-Section 1VIP专享VIP免费

Twolife-savingmedicinesUnit2Fitforlife-Section1PartTwoTeachingResourcesSection1AtextstructureanalysisofTwolife-savingmedicinesI.SummaryofTwolife-savingmedicinesMainideaofthepassageThehistoryandtheusesoftwolife-savingmedicines:aspirinandpenicillin.MainideaofPart1(paragraph1)Asimpleintroductionofthetwomedicines.MainideaofPart2(paragraph2-3)Thehistoryandtheusesofaspirin.MainideaofPart3(paragraph4-5)Thehistoryandtheusesofpenicillin.II.Atreediagramofthetext:III.AretoldversionofthetextTwolife-savingmedicines:用心爱心专心116号编辑aspirinpenicillinThehistoryofaspirinTheusesofaspirin3,500yearsago,drinkingakindofteatoreducepainAbout2,500yearsago,madeajuicefromthebarkofakindoftree1897,madeamedicine1899,firsttrialsofthemedicine1900,soldinshops1950,appearedinGuinnessBookofRecordsreducefever,stoppain,reducetheriskofheartattacksandcoloncancer,preventastroke,reducebloodsugarlevelsThehistoryofpenicillinTheusesofpenicillindiscoveredbyFlamingin1928WidespreaduseofpenicillinduringWorldWarIItreatingwoundsandillnessescausedbybacterium,pneumoniaAspirinandpenicillinaretwoimportantmedicinesthathavechangedpeople’slives.Medicalhistoriansthinkthataspirinwasinventedin1897.Butithasalonghistory.Thatistosay,itshistorycandatebacktoabout2,500yearsagoandeven3,500yearsago.Thefirsttrialsofthemedicinetookplacein1899andin1900itwassoldinshops.Aspirinhasmanyuses.Forexample,itcanreducefeverandhelpstoppain.Itcanalsoreducetheriskofheartattacks,preventastrokeandreducetheriskofcoloncancerandbloodsugarlevels.PenicillinwasdiscoveredbyaScottishscientistFlemingin1928.ButitswidespreadusewasduringWorldWarII.Ithelpedsavemanylives.Itwasthegreatdrugofthe20thcentury.ThreescientistssharedtheNobelPrizefortheirworkonthemedicine.用心爱心专心116号编辑