Unit1GreatScientistsWhatdotheyhaveincommon?TheyarescientistsWarmingUpWhatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost.1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?B.ArchimedesC.ThomasEdisonA.CharlesDarwinArchimedes“Givemeaplacetostandon,andIcanmovetheearth.”2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?A.MarieCurieC.CharlesDarwinB.GregorMendel3.Whoinventthefirststeamengine?A.ThomasNewcomenC.ThomasEdisonB.Archimedes4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.A.ThomasEdisonC.ArchimedesB.GregorMendel5.Whodiscoveredradium?A.MarieCurieC.NewtonB.ZhangHeng6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?A.StephenHawkingC.ThomasEdisonB.Archimedes7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?A.GregorMendelC.MarieCurieB.LeonardodaVinci8.Whoinventedalamptokeepminerssafeunderground?A.SirHumphryDavyC.FaradayB.ThomasNewcomen9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?A.CharlesDarwinC.WattB.ZhangHeng10.Whoputforwardatheoryaboutblackholes?A.StephenHawkingC.CopernicusB.ArchimedesWhatimpressyoumostin2003?1.DoyouknowaboutSARS?birdflu,AIDS,SARSCholera:Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Andthevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(呕吐)anddiarrhoea(腹泻).Whatdoyouknowaboutcholera?Whencholerabreakout,whatshouldpeopledo?What’sthemainideaofthepassage?A.JohnSnowwasawell-knowndoctorinLondon.B.ThecauseofCholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowJohnSnowdefeated“KingCholera”?SkimmingWhycouldn'tcholerabecontrolledatfirst?A.ItscausewasnotunderstoodB.ItscurewasnotunderstoodC.NeitheritscausenoritscurewasunderstoodThepassageiswrittenasareportofanexperimentandthereare7steps:1.Findaproblem:(发现问题)2.Makeupaquestion:(形成研究主题)3.Thinkofamethod:(找出研究方法)4.Collectresults:(收集材料)5.Analyseresults:(分析材料)6.Findsupportingevidence(寻找有力证据)7.Drawaconclusion:(得出结论)Whatistheproblem?Cholerawasthedeadlydiseaseofitsday.Neitheritscausenoritscurewasunderstood.What’sthecauseofcholera?STEP1:1.Findaproblem:(发现问题)STEP2:Makeupaquestion形成研究主题:twotheories1.Choleramultipliedintheair.2.Peopleabsorbeditwiththeirmeals.•STEP3.Thinkofamethod•STEP4.CollectresultsManydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseThewaterwasfromtheriverwhichhadbeenpollutedbythedirtywaterfromLondon.step5.AnalyseresultsSTEP6:Findsupportingevidence:Whatextraevidencedidhefind?Awomanandherdaughterwholivedfarawaybutdrankthewateralsodied.STEP7:DrawaconclusionwithcertaintyThepollutedwatercarriedthevirus.Discussion:•Howtopreventthisfromhappeningagain?HOMEWORK:fillinthisformSteps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresults5.Analyseresults6.Repeatifnecessary7.MakeaconclusionThankYou