高二英语必修5 unit1 great scientists

Unit1WarmingupandReadingDoyouknowthesefamousscientists?StephenHawkingPutforwardatheoryaboutblackholesDiscoveredradiumMarieCurieAlbertEinsteinTheoryofRelativityThomasEdisonTheInventionsofThomasEdisonPhonograph留声机LightbulbMotionPicturesZhangHengwasamathematician,astronomerandgeographer.Heinventedthefirstseismographformeasuringearthquakes.ZhangHengYuanLongpin---FatherofHybridRiceWhosaid…?IsawriceplantsastallasChinesesorghum,”hesaidofadreamheoncehad,“eachearofriceasbigasabroomandeachgrainofriceashugeasapeanut.Icouldhideintheshadowofthericecropswithafriend.Prediction(Whatisthepassageabout?)JohnSnowDefeats“KingCholera”BackgroundJohnSnow(1813-1858)wasbornandworkedasadoctorinGreatBritain.Hewasoriginallyananaesthetist(麻醉师).HewassofamousthathebecamethedoctorforQueenVictoria.Fouroutbreaksofcholerainthe1830sand1840skilledmanypeopleinEngland.In1854,“themostterribleoutbreakofcholerawhicheveroccurredinthekingdom”began.Itwassoviolentandsuddenthat127peoplediedinthefirstthreedays.Nameofillnesscholera(霍乱)Symptom(症状)severevomiting(呕吐)anddiarrhea(腹泻)AftereffectdiequicklyfromalossofliquidWhatwasthecauseofthisillness?HowdidJohnSnowfinditout?waterpumpFast—reading:Readthepassagequicklyandfindthenumberbelowandtherelevanthappeningsinthepassage.163789pump3840JohnSnow'sCholeraMap7Para-graphStagesinanexperimentExampleinthisinvestigation1Findaproblem2Makeupaquestion3Thinkofamethod4Collectresults5Analyseresults6Repeatifnecessary7MakeaconclusionPara-graphStagesinanexperimentExampleinthisinvestigation1FindaproblemWhatcausecholera?2MakeupaquestionWhichtheoryiscorrect?3ThinkofamethodCollectdataonthosewhowereillordiedandwheretheygottheirwater.4CollectresultsPlotinformationonamaptofindoutwherepeoplediedordidnotdie.5AnalyseresultsAnalysethewatertoseeifthatisthecauseoftheillness.6RepeatifnecessaryFindotherevidencetoconfirmyourconclusion.7MakeaconclusionThewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.WatercompanyTheSourceofthePollutedWaterUpperreachesofriverLowerreachesWaterpumpDiscussion:1.What’sthesignificanceofSnow’sfamouscholeramap?2.IfyouwereJohnSnow,howwouldyouinvestigatethecholera?Snow'sCholeraMapThesignificanceofSnow’sfamouscholeramapisthat,byclosingtheBroadStreetpumpbyremovingitshandle,Dr.Snowstoppedamajorcholeraepidemic(传染病),andthusdemonstratedthatcholeraisawaterbornedisease.Thiswasnotpreviouslyunderstood.Themapisthemostfamousandclassicalexampleinthefieldofmedicalcartography(制图法).1.FinishEx.1onP42.2.Retellthestory.3.Reviewfortomorrow’sdictation.