高中英语 Language points Unit2 reading课件 牛津版选修7.ppt

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1、LanguagepointsDoyoustillremembertheeffectsofaspirinandpenicillin?Aspirinhassavedmanypeople’slivesbyreducingfeverandhelpingstopp____.LawrenceCravenintroducedtheideathataspirincouldreducether____ofheartattacksbyt____blood.Lateronmanyscientistsprovedthataspiri

2、ncouldpreventmanydiseases.Itisnowr___________forreducingpotentialheartattacks,strokesandcancer.AspirinpainriskthinningrecommendedPenicillin,discoveredbyAlexanderFlemingin1928,isc________tobeoneofthemostimportantmedicinesincontemporarysociety.HowardFloreyand

3、ErnstChainmanagedtousenewchemicaltechniquestop___ittobeamedicine.Duetoitswidespreada_______,manylivesweresaved.In1945,Fleming,FloreyandChains_____theNobelPrizeinMedicinefortheirwork.Penicillinconsideredsharedpurifyapplications1.…somerecipesrecommendeddrinki

4、ngateamadefromthedriedleavesofaparticularplanttoreducebodypains.Lines7-10recommend:advise/proposerecommenddoctorrecommendIaspirinbloodsugarlevelsdoingsthsthtosbsbtodothat…(should)trial(n.)---try(n.):atesttoseeifsomethingiseffectiveorsomeoneissuitable2.Thefi

5、rsttrialsofthismedicinetookplacein1899whenthecompany（which）Hoffmannworkedforbegangivingthemedicineinpowderformtophysicianstousewithpatients.Lines13-151)Medicaltrialsshouldbedonebeforeanewdrugcanbeputintouse.2)Thefirsttrialflighthasbeenagreatsuccess.3)Intheo

6、ne-yeartrial,youmustworkhardandproveyourability.4)ItwasbytrialanderrorthatIlearntmuchaboutmedicine.3.…oneofwhichintroducedtheideain1953thataspirincouldreducetheriskofheartattacksbythinningblood.Lines22-24thin(adj.)---thin(v.)战争和疾病使人口减少了。Waranddiseasethinned

7、thepopulation.She'stallandratherthin.slownarrowcalmwarmdrydirtybetterlower1)Thetrain____downtohalfitsspeed.2)Theriver______atthepoint.3)Icouldn’t_____her.4)Please______themilk.5)Nothing______soonerthanatear.6)Don’t______yourhands,boys.7)He______hisvoicenott

8、owakeher.slowednarrowscalmwarmdriesdirtylowered4.①Henotedthatmouldhadgrownonaspecialtransparentjellythathadbacteriaonit.Lines38-39note:notice/writedown②PleasenotethatthisshopwillbeclosedonSundays.③Heke