人教新课标必修五UnitGreatScientists[全单元课件].ppt

Unit1GreatScientists,Whoishe?Whatishisachievement?,AgreatscientistFatherofHybridRiceThemanwhoputsanendtohunger,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?3.Whoinventedthefirststeamengine?4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?5.Whodiscoveredradium?,Quiz,Archimedes/.a:kimi:di:z/CharlesDarwinThomasNewcomenGregorMendelMarieCuriemrikjuri,Archimedes,AncientGreek(287-212BC)Hewasamathematician(数学家).Hefoundthatifyouputanobjectintowater,thewaterpushestheobjectup.Itrisesandpartlyfloats.Theforceofthewaterpushingitupisthesameastheweightoftheobject.,CharlesDarwin,Britain(1808-1882)TheOriginofSpecies,ThomasNewcomen,HemadeasignificantcontributiontotheIndustrialRevolutionwithhisinventionoftheSteamengine.,GregorMendel(G.J.孟德尔),Czech(1822-1884)Thefatherofgenetics,MarieCurie,PolishandFrench(1867-1934),6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?8.Whoinventedalamptokeepminerssafeunderground?9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?10.Whoputforwardatheoryaboutblackholes?,ThomasEdisonLeonardodaVinciliun:dudvintiSirHumphryDavyZhangHengStephenHawking,ThomasEdison,American(1847-1931),LeonardodaVinci,Italian(1452-1519)Majorworks:VirginoftheRocksTheLastSupperMonaLisa,SirHumphryDavy,British(1778-1829),ZhangHeng,Chinese(78-139),StephenHawking,British(1942-)TheoreticalPhysicistABriefHistoryofTime,JohnSnowDefeats“KingCholera”,Pre-reading:Makeapredictionaboutwhatthistextwillbeaboutaccordingtothetitle.,JohnSnow,British(18131858)alegendary(传说中的)figureinthehistoryofpublichealth,霍乱(cholera)，早期译作虎烈拉，是由霍乱弧菌所致的烈性肠道传染病(infectiousdisease)，解放后我国已消灭本病。霍乱为我国法定的甲级烈性传染病，要求在发现确诊或疑似病例后2小时内上报,Thinkaboutotherinfectiousdiseasesyouhaveknown?,ExtensiveReading,1.Themainideaofthetext,2.Readthewholetextandfinishexercise1inpage3,JohnSnowdefeated“KingCholera”,withthehelpofscientificresearch,ScientificResearch,Basicstepsofscientificresearch1.Findaproblem2.Makeaquestion3.Thinkofamethod4.Collectresults5.Analyseresult6.Findsupportingevidence7.Drawaconclusion,Whythesestepsarenecessaryforscientificresearch?,CarefulReading,Finishthechart,Findaproblem2.Makeaquestion3.Thinkofamethod4.Collectresults5.Analyseresult6.Findsupportingevidence7.Drawaconclusion,-Whatcausescholera?,-Whichtheoryiscorrect?,-GatherinformationwhenanotheroutbreakhitLondonin1854,-Makeamaptofindoutwherepeoplediedordidnotdied,-Lookintothesourceofwaterandanalysethewater,-Findsupportingevidencefromtwootherdeaths,-Thepollutedwatercarriedthevirus,SolutionRemovethehandlefromthepumpThesourceofallthewaterbeexamined3.Watercompanieswereinstructednottoexposedpeopletopollutedwateranymore.,ExerciseFillingtheblankswithusefulwordsandexpressionsinthetext,JohnSnowwasaveryexpertdoctorinLondon.Hethoughtaboutordinarypeople_cholera.Thereweretwotheorieshebecameinterestedin.Oneisthatcholera_intheair,theotheristhatpeople_thisdiseaseintotheirbodieswiththeirmeals.JohnSnow_thatthesecondtheorywascorrect,andhedeterminedtofindoutwhy.First,hemarkedonamapwhichgavehimavaluablecluethatmanyofthedeathswerenearthe_inBroadstreet.Itseemedthatthewater_.Next,JohnSnow_thesourceofthewaterandfoundthatitcamefromtheriver_bythedirtywaterfromLondon.Afterthat,hefound_fromtwodeaths.Thenhewasableto_withcertaintythat_carriedthevirus.,exposedto,multiplied,absorbed,suspected,waterpump,wastoblame,lookedinto,polluted,announce,thewater,extraevidence,OpenQuestion,1.Afterreadingthewholetext,whatdoyouthinkaboutJohnSnow?2.CanyounamesomeotherscientistsnowadayslikeJohnSnow?3.Whatdoyouthinktheyhaveincommon?,LanguagePoints,1.attendvt建造putupwith忍受,examine1)检查,审查,研讨;2)考试,考核3)盘问Theyexaminedourpassportsverycarefully.TheCongressexaminedandapprovedthedraftbudget.HeexaminedtheboysinEnglish.Hewasexaminedbythepolice.examination/examn.考试,1）conclusion作名词，意为“结束，结论”,formonesconclusion得出自己的结论make/drawaconclusion得出结论cometo/reach/arriveataconclusion得出结论bring.toaconclusion结束(完成)inconclusion最后,Itisprematuretomakethatconclusion.作出那种结论仍为时过早。IwillinconclusionsayafewwordsaboutmyvisittoTokyo.最后，我对我的东京之行说几句。,2）conclude作动词，“结束；断定；决定”。toconclude（作插入语）最后,作为总结(=tosumup)Toconclude,Ithinksmokingdoesmoreharmthangoodtous.,analyse(analyze)v分析，分解analysisnmakeananalysisof分析(=analysesth),attendv.出席；参加；照顾；护理attendsb.照料、护理某人attendsth.参加（讲座、活动等）attendclass/alecture/ameetingattenda