unit-1-John-Snow公开课

GreatscientistsTypicallyascientistwillbeaspecialistwhohasexpertknowledgeinaparticularfieldofscience,eg.physics,biologyormedicineandetc.Thegeneralaimofascientistisattemptingtosolvecertainproblemsusingsomescientificmethodsbydoingvariousexperimentstogainabetterunderstandingoftheirsubjectsindifferentareas,makinggreatdiscoveries,contributionstopeopleallovertheworld.Whatisascientist?Whatcharacteristicsdoyouthinkascientistshouldhave?characteristicsperseverantdevotedpatientdiligentintelligentdeterminedunselfishmodestbraveambitiousThinking:responsiblebrightcautiousenthusiasticcooperativepositivestrictabsorbedcreativegreatscientificachievementsthathavechangedtheworld.greatcontributions,discoveries.goodobservation,perseverance.GreatscientistsarethosepeoplewithConclusion:WarmingUpTherearesomegreatscientificachievementsthathavechangedtheworld.Whoishe?ArchimedesHediscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat.CharlesDarwinWhoishe?Hewroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged.•TheOriginofSpeciesThomasNewcomenWhoishe?Heinventedthefirststeamengine.GregorMendelWhoishe?Heusedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.MarieCurieWhoisshe?Shediscoveredradium.ThomasEdisonWhoishe?Heinventedthewayofgivingelectricitytoeverybodyinlargecities.LeonardodaVinciWhoishe?Hewasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople.ZhangHengWhoishe?Heinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened.StephenHawkingWhoishe?Heputforwardatheoryaboutblackholes.comeupwithDrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceThe7stagesofprovinganewscientificidea.Whatorderwouldyouputthemin?Thinking:DrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceThe7stagesofprovinganewscientificideaDefeats“KingCholera”Reading:TocuretheillnesssuccessfullyCholeraisaninfectiousdiseasecausedbyabacteriumcalledVariancholera.Itinfectspeople’sintestines(肠胃),causingdiarrhea(腹泻),vomiting(呕吐)andlegcramps(小腿抽筋).Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeenpollutedwiththebacteria.Choleracanbemild(notsevere)orevenwithoutsymptoms(症状),butaseverecasecanleadtodeathwithoutimmediatetreatment.JohnSnowadeadlydiseaseaninfectiousdiseaseInfectiousdiseasesWhatdoyouknowaboutinfectiousdiseases?•Infectiousdiseasescanspreadeasily.Theyhaveanunknowncauseandmaydogreatharmtopeople.•Peoplecouldbeexposedtoinfectiousdiseases,somayanimals,suchasbirdflu.•AIDS,SARS,H1N1Fluareinfectiousdiseases.Theyaredifficulttocure.Whatinfectiousdiseaseimpressedyoumostin2003?Whatinfectiousdiseaseimpressedyoumostin2005?Whatinfectiousdiseaseimpressedyoumostin2009?SARSBirdfluH1N1flucholeraBroadStreet127peoplediedinthefirstthreedays.Manythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.Adeadlydiseasehitthecity.London,1854JohnSnow(1813-1858)JohnSnowwasborninYorkonMarch15th,1813,theoldestofninechildren.YorkLondonHewasanexpert.Hefacedthechallengeofhelpingpeoplewhowereinfectedwithcholera.HeattendedQueenVictoriaasherpersonalphysicianaspecialistcaredforLet’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:JohnSnowDefeats“KingCholera”Readandanswer1.What’sthemainideaofthepassage?A.JohnSnowwasawell-knowndoctorinLondon.B.ThecauseofCholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowJohnSnowcollected,analyz(s)eddataandfoundthecauseofthediseaseandsolvedit.Findoutthemainidea(ortopicsentence)ofeachparagraph:JohnSnowwantedtofacethechallengeandsolvethisproblem.Hegotinterestedintwotheoriesexplaining…Hesuspectedthesecondtheorywascorrectbutheneededevidence.Hefoundoutthatdirtywaterwasthecauseofcholera.Para.1Para.2Para.3Para.4Para.5Para.7Cholerawasspreadbygermsandnotinacloudofgas.Finally“KingCholera”wasdefeated.Pollutedwatercarriedthevirus.Para61.FromwhatdiseasedidLondonerssufferinhisage?2.Didpeopleknowhowtocurethedisease?3.WhendidDr.Snowthinkthediseasewouldbecontrolled?Listeningandunderstanding1.FromwhatdiseasedidLondonerssufferinhisage?PeopleinmanyprovincesofChinaexposedthemselvestotheSARSin2003.Theyexposedthemselvestocholera.Hethoughtabouthelpingordinarypeople(whoare)exposedtocholera2.Didpeopleknowhowtocurethedisease?No,neitheritscausenoritscurewasunderstood.thecureforsth.curesb.ofsth.curethedisease3.WhendidDr.Snowthinkthediseasewouldbecontrolled?Heknewitwouldneverbecontrolleduntilitscausewasfound.Peopleneverknowthevalueofhealthuntiltheyloseit.Youmustn’teatanythinguntilyouseethedoctor.Whatwasthefirsttheoryexplaininghowthediseasekilledpeople?Thatcholeramultipliedintheair.Acloudofdangerousgasfloatedarounduntilitfounditsvictims.Whatwasthesecondtheoryexplaininghowthediseasekilledpeople?PeopleabsorbedthisdiseaseintotheirbodieswiththeirmealsandattackedthebodyAndsoontheaffectedpersondied.HowseriouswasthediseaseoutbreakinLondon?asevereillnessaseverestormThecholeraoutbreakwassoseverethatmorethan500peoplehaddiedin10days.1.Whatroledidthemapplayinfindingthec