高2-7模块2单元 period 2 language itemsVIP免费

Unit2Module7Twolife-savingmedicines3rdperiodReadingTeachingaims:(1)EncouragetheSstoraisereadingabilitybyfocusingonlanguagepoints.(2)GettheSstograspthenewlanguageusageinthetextbylearningthem.Importantpoints&difficultpoints:Languageusage:trial;thin;note;application;mass;dueto;carryout;reducetheriskof;inlargequantities;adreamcometrue;notuntil;itis…before…Procedure:Step1RevisionAspirinhassavedmanypeople’slivesbyreducingfeverandhelpingstopp____.LawrenceCravenintroducedtheideathataspirincouldreducether____ofheartattacksbythinningblood.In1971,SmithandWillisp____thataspirinwasablood-thinningmedicineandastudyshowedthatachemicalinaspirincouldpreventas____.In2003,aChinesedoctorfoundthatthischemicalcouldreducebloods____levelsandhelppeoplewithdiabetes.Penicillin,discoveredbyAlexanderFlemingin1928,isc________tobeoneofthemostimportantmedicinesincontemporarys____.HowardFloreyandErnstChainmanagedtousenewchemicalt_______opurifyittobeamedicine.Duetoitswidespreaduse,manylivesweresavedduringWorldWarII.Penicillinisalsousedtotreatotherillnessesi_______pneumonia.In1945,Fleming,FloreyandChains_____theNobelPrizeinMedicinefortheirwork.Languagecheck:(1)Choosethecorrectanswer.1.Ifyouopenupanymedicinecupboardintheworld,thereisahighprobability_____youwillfindaspirinandpenicillin.A.whichB.whatC.thatD.when2.Wasitin1897_____aEuropeanchemistcalledDrFelixHoffmannproducedacetylsalicylicacid(ASA)fromsomeotherchemicalstomakeamedicineforhisfather?A.whenB.whichC.thatD.inwhich3.LawrenceCraven,adoctorfromtheUSA,istheauthorofseveralpublishedreports,oneof_____introducedtheideain1953_____aspirincouldreducetheriskofheartattacksbythinningblood.A.which;thatB.that;whichC.which;whichD.whom;that4.In1977,astudycarriedoutintheUSAshowedthatthechemicalASAinaspirincouldpreventastroke,____isatypeofseriousillness_____bloodvesselsinthebrainburstsuddenlyorareblocked.A.that;whatB.which;whenC.that;whichD.which;that5.In1999,aspirinwas100yearsoldandyettherehavebeenmorediscoverieson____itcanhelpincreasethelengthofpeople’slives.A.thatB.whenC.whatD.how6.However,itwas______WorldWarII______twootherscientists,HowardFloreyandErnstChain,managedtousenewchemicaltechniquestopurifyit.A.notuntil;thatB.till;thatC.notuntil;whenD.till;when7.Penicillinisalsousedtotreatotherillnessesincludingpneumonia,anillness_____affectsthelungs.A.thatB.whichC./D.BothA&B.8.So,althoughFlemingdiscoveredpenicillin,itwasoveradecade_____someoneelseturnedpenicillinintothegreatdrugofthe20thcentury.A.whileB.thatC.beforeD.after(2)Fillintheblanksusingtheverbsgiven.1.Infact,3,500yearsago,somerecipesrecommendeddrinkingatea_____(make)fromthe_____(dry)leavesofaparticularplant_________(reduce)bodypain.2.Ayearlater,in1900,aspirinwassoldinshopsasatablet____________(contain)500milligrams1ofASA.3.Thisisoneofthefirstmedicinesintheworldever________(sell)asa_________(standardize)tablet.4.In1950,aspirinappearedintheGuinnessBookofRecordsasthe_________(best-sell)painkiller.5.Thisbacteria-killingmedicineisconsideredbymany____(be)oneofthemostimportantmedicinesincontemporarysociety.6.Hesawthatthecellsofthebacteriawereclear,______(mean)thattheyweredeadandthatthemouldhadkilledthem.7.Duetothewidespreadofpenicillin,manylivesweresavedduringWorldWarII.Itwasadream_____(come)true.Step2Languagepoints(Learnanduse)1.Thefirsttrialsofthismedicinetookplacein1899whenthecompanyHoffmannworkedforbegangiving...