Period5ExtensiveReadingTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和短语movement,complete,backward,spin,enthusiastic,cautious,reject,topology,leadto,makesenseb.重点句式Althoughhehadtriedtoignorethem...P7Theproblemarosebecause...P7Healsosuggestedthat...P72.Abilitygoals能力目标Enablethestudentstotalkaboutthestagesinscientificresearch.3.Learningabilitygoals学能目标Enablethestudentstoknowaboutthegeneralapproachfordoingaresearch.Teachingimportant&difficultpoints教学重难点Learnaboutthecommonstagesindoingaresearch.Teachingmethods教学方法Task-basedlearningapproach.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教学过程与方式StepIRevisionAskthestudentstoretellthetext.Sampleversions:S1:I’llhaveatry.JohnSnowwasaveryfamousdoctorinLondonin19thcentury.Atthetimehelived,cholerawasthemostfrighteningdisease,whichkilledmanythousandsofpeopleintheindustrialcitiesofEngland.Nobodyknewthecauseofthedisease.JohnSnowbelievedthatcholerawascausedbydrinkingpollutedwater.Hebelievedthatwhendirtywaterfromthetoiletanddrinkingwaterweremixed,itwaspossiblefortheillnesstobepassedfromonepersontothenext.In1854,hewasabletoprovethathistheorywascorrect.Todothisheapproachedtheprobleminasystematicway.Hefoundanoutbreakofcholeraandstudieditseffectsonasmallneighborhood.Hegatheredinformationaboutthedrinkinghabitsofthepeopleandusedthemtojustifyhistheory.Heisimportantbecausehewasthefirstpersontogatherinformationscientificallyaboutadiseaseinordertofinditscause.S2:OK.I’dliketoretellSnow’sworkintheorderofthestages.Weknowthereweresevenstagesinhisresearch.FirstSnow,aswellasotherdoctorscouldnotfindthecauseofthecholera,northecureforit.Hegotinterestedintwotheories.Thefirstsuggestedthatcholeramultipliedintheairwithoutreason.Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.Hebelievedinthesecondtheory.Sohecollectedmuchinformationtoproveit.Hedidalotofresearchandexperimentstoanalyzetheresults.Alltheresultswerethesame:Itiscertainthatthedirtywaterresultedinthedisease.Atlasthecouldmakeaconclusion:Itwasthepollutedwaterthatcausedtheillness.StepⅡPre-readingAskthestudentstolookatthepicturesonpages7and45.Andremindthemofthecommonknowledgeof“Sun-CenteredTheory”and“theEulerpath”.T:Todaywearegoingtolearnmoreaboutscienceandscientists.Therearetwopicturesofthegreatscientistsandtheillustrationsoftheirtheory.Youcandiscusswithyourpartnersaboutthem.Thentellmesth.aboutthem.S1:WeknowthefirstpictureisCopernicus.Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.Theillustrationshowshistheory.S2:WeguessthesecondpictureisLenohardEuler.Eulerinventedanewbranchofmathematics—topologybyluck.Thechartisaboutthe“SevenBridgesofKonigsberg”andthefamous“Eulerpath”.StepⅢReadingEncouragethestudentstogetthegeneralideasofthepassages.T:Inthelastperiod,wehavelearnedabouthowDoctorJohnSnowusedsevenstagestoprovehisconclusionandfulfilledhisresearch.Thisperiodwewillalsodealwithtwoscientificreports.Pleasereadthetwopassagesquicklyandtrytoanswerthequestionsonthescreen.Showthequestionsonthescreen.1.What’sCopernicus’fear?2.What’sEuler’spuzzle?3.HowdidCopernicusprovehistheory?4.HowdidEulerprepareforhisresearch?5.Whataretheirtheories?Sampleanswers:S1:Ihavetheanswer.CopernicusfoundhistheorywasagainsttheChris...
