人教版（2019） 选择性必修第一册 Unit 1 People of Achievement Learning About Language课件

PeopleofAchievement

Unit1Period2LearningAboutLanguage

---BuildupyourvocabularyHowwasartemisinindiscovered?Tu’steamexaminedover2,000oldmedicaltextsandevaluated280,000plantsfortheirmedicalproperties.

Theyfoundonemedicaltextsuggestingusingtheextractfromsweetwormwoodtotreatafever.Theytestedacollectionofdriedwormwoodleaves.Theytriedboilingfreshwormwoodandusingtheliquid

butthisdidnotworkeither.Theyusedalowertemperaturetodrawoutthesweetwormwoodextract.Theytestedthemedicineonthemselvestoseeifsafe.Theytestedthemedicineonmalariapatients.Themedicinebecameastandardtreatmentformalaria.Task1_____cook

somethinginveryhotwater________relatingtoplants_______qualitiesorcharacteristicsofsomething_____akindofsubstancethatflowsfreely,suchaswaterormilk_________physicalmaterialthatexistsboilbotanicalpropertyliquidsubstanceTask2Writedownthewordthatmatcheseachdefinition.Task3Findthesentencescontaningthesewordsinthetext.P2L8...,anddecidedtoreviewancientChinesemedicaltextstofindtraditionalbotanicaltreatmentsforthedisease.P3L3Theythentriedboilingfreshwormwood,andusingtheliquidobtainedfromthistotreatmalaria,butthisdidnotworkeither.P2L9Herteamexaminedover2,000oldmedicaltexts,andevaluated280,000plantsfortheirmedicalproperties.P3L7Sheconcludedthatboilingthesweetwormwoodapparentlydestroyeditsmedicalproperties.P3L9Usingalowertemperaturetodrawouttheextract,shefoundasubstancethatworked.Task4Finishthetextbyusingthewordsinactivity1.TuYouyouandherteamfirsttried________sweetwormwoodandusedthe_________obtained,onlytofinditdidn’tworksinceitsmedical__________weredestroyed.Itwasnotuntilsheusedalowertemperaturethatthe________namedartemisinin,a________treatmentformalaria,wassuccessfullyextracted.boilingliquidpropertiessubstancebotanicalTask5Guessthemeaningoftheunderlinedwords,Thenfillintheblankswithwordsthathavethesameroots.1.Thetwoflowersarequitedistinctfromoneanother,soitiseasytomakea__________betweenthem.2.Scientistsneedto________howthenewmaterialstandsuptowearandteartoprovehowvaluableitis.3.Atalentedscientistwellknownforhis__________tohiscountry,HuangDaniancommittedhimselftohisresearchingeophysics.4.A:Didyoucometoanyconclusions?B:Yes,we_________thatbydrawingouttheextractatalowtemperature,wecouldfindthesubstancethatweneededtocompletetheexperiment.5.Shespendsalotoftime___________herpatients’dreams.Thisanalysisisveryhelpful,explainingtheirdailybehaviourverywell.distinctionevaluatecommitmentconcludedanalysingadj.adj.v.n.n.Task6distinctdistinctivedistinguishdistinctionindistinctadj.有区别的n.区别;区分adj.清楚的adj.模糊不清的v.区分adj.独特的;特别的派生法——derivation/affixation前缀——prefix后缀——suffixTask6commitcommissioncommittedcommitmentvt.承诺;保证adj.坚定的vi.忠于;全心全意投入n.承诺;奉献n.委员会;佣金;正式委托派生法——derivation/affixation前缀——prefix后缀——suffixTask6concludeconcludingconclusionconclusivev.得出结论n.结论adj.结论性的adj.最后的;结尾的派生法——derivation/affixation前缀——prefix后缀——suffixTask6valuevaluableevaluateevaluationv.重视;给...估价vt.评估;评价n.评价;估计adj.有价值的派生法——derivation/affixation前缀——prefix后缀——suffixinvaluablevaluelessadj.极有用的;极宝贵的adj.没有价值的;不值钱的n.价值Task6analyseanalyseranalysisanalyticalvt.分析n.分析adj.善于分析的adj.分析仪;分析者派生法——derivation/affixation前缀——prefix后缀——suffixTask7ReadthepassageaboutLuXun.Fillintheblankswiththecorrectformsofthewordsinthebox.insist,obtain,objective,acknowledge,apparently,crucialLuXun,___________asoneofthegreatestmordernwritersinChina,wasborninShaoxing,ZhejiangProvincein1881.In1904,hewenttoJapanandbecameamedicalstudent,withthe________ofimprovingpeople’shealthandsavinglives.However,hechangedhismindwhenhesawinaphotoaChinesemanabouttobekilledbyaJapanesesoldier.ItstruckhimthattheotherChinesemeninthephoto_________didnotcareaboutwhatwashappeningtotheirfellowcountrymen.acknowledgedobjectiveapparentlyTask7ReadthepassageaboutLuXun.Fillintheblankswiththecorrectformsofthewordsinthebox.insist,obtain,objective,acknowledge,apparently,crucialFromthis,heconcludedthatthe______probleminChinawasnotphysicalillness,butthespiritualillnessofpeopleatthattime.Followingthis,hequitmedicalschool.WhenhereturnedtoChinain1908,he________ateachingjob.In1917,afriend________thathehelpwriteforamagazinecalledNewYouth.ThatwashowhisfirstfamousshortstoryAMadman’sDiarygotpublished.crucialobtainedinsistedTask8Readagainandtrytoanswerthequestions.1.WhatwasLuXun’soriginalobjective?2.Whatmadehimchangehismind?3.What’stheprobleminChina?Improvepeople