人教版高二英语必修五unit1-warming-up-and-reading课件

GreatscientistsWordsandexpressionsWhatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost?Areyouready?Let’sgo!1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?ArchimedesIt’s…2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin3.Whoinventedthefirststeamengine?steamengineIt’susedfortakingwateroutofmines.JamesWatt4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendelIt’susedinthetreatmentofsomediseases,especiallycancer.radiumWhat’sthis?5.Whodiscoveredradium?MarieCurie6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdison7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?Leonardodavinci8.Whoinventedalamptokeepminerssafeunderground?SirHumphryDavy9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengDoyouknowwhatblackholemeans?10.Whoputforwardatheoryaboutblackholes?Pre-ReadingDoyouknowhowtoproveanewideainscientificresearch?Discussinsmallgroupsthestagesinsettingoutanewscientificidea.relatingtoscience,orusingtheorganizedmethodsofscience.scientificascientificdiscoveryascientificexperimentascientifictheoryDrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsFindsupportingevidenceWhatorderdoyouputthemin?Why?ThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultDrawaconclusionWhatdoyouknowaboutinfectiousdiseases?akindofinfectiousdiseasesWhatdoyouknowaboutcholera?aseriousinfectionofthebowelscausedbydrinkinginfectedwateroreatinginfectedfood,causingdiarrhoea,vomitingandoftendeath.霍乱Isittherightway?DiscussLookatthepicture,themapandthetitleandpredictthecontentofthereadingpassage.Thenskimitquicklytoseeifyouwereright.ReadingDoyouknowwhatdidthismapwasusedforin1854?FindingoutthecauseofCholera.•Whodefeats“KingCholera“?•Whathappenedin1854?•Howmanypeoplediedin10days?•WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?Task1:SkimandScan1.Whodefeats“KingCholera“?2.Whathappenedin1854?3.Howmanypeoplediedin10days?JohnSnowCholeraoutbreakhitLondon.5004.WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.AmapofBroadStreetWhatmethoddidheuse?Manydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseDrawaconclusionFindaproblemMakeupaquestionThinkofamethodCollectresultsAnalysetheresultsPara1Para2Para3Para4Para5Para6MatchthemAnalyseresultsPara7Task2Readandanswer1Whycouldn’tthecholerabeundercontrolatfirst?2WhichtheorydidJohnSnowbelievein?Neitheritscause,notitscurewasunderstood.Peopleabsorbedcholeraintotheirbodieswiththeirmeals.3JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandB4.Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?Suggestedthatthesourceofallwatersuppliesbeexamine.Suggestedthatnewmethodsofdealingwithpollutedwaterbefound.Instructedthewatercompaniesnottoexposepeopletothepollutedwateranymore.Task3MindMapofthetextJohnSnowbegantotesttwotheories.AnoutbreakofcholerahitLondonin1854.JohnSnowmarkedthedeathsonamap.Heannouncedthatthewatercarriedthedisease.JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.KingCholerawasdefeated.Hefoundthatmostofthedeathswerenearawaterpump.Hehadthehandleremovedfromthewaterpump.21473856Readthepassageandnumbertheseeventsintheorderthattheyhappened.Discussion:Discussthefollowingquestionsingroupsoffour.1.2.3.Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?Why?JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?DoyouthinkJohnSnowwouldhavesolvedthisproblemwith-outthemap?Giveareason.Twodiseases,whicharesimilartoday,areSARSandAIDSbecausetheyarebothveryserious,haveanunknowncauseandpublichealthcaretosolvethem.Keys1.No.ThemaphelpedJohnSnoworganisehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.2.JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.3.UsingthestagesforscientificresearchandExercise1,writeashortsummaryofthereadingpassage.JohnSnowwantedtofindthecauseofcholera.Hebelievedthatpeoplebecameillaftereatinginfectedfood.Heusedthenextoutbreakofcholeratotesthisidea.Hestudiedasmallareaofhouseswhichgottheirwaterfromthesamepump.Manypeopleintheareadied.JohnSnowshowedthatthiswasbecausethewaterinthepumpwasinfected.Heshowedthatcholeracouldbedefeatedifpeopledrankcleanwater.