知识学习人教版高中英语必修5教案Unit 1 Great scientists.docx

知识学习人教版高中英语必修5教案Unit 1 Great scientists.docx

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知识学习人教版高中英语必修5教案Unit1Greatscientists

人教版高中英语必修5教案Unit1Greatscientists

　　Unit1Greatscientists　　Teachingaims

1.

　　Tohelpstudentslearntodescribepeople2.

　　TohelpstudentslearntoreadanarrationaboutjohnSnow3.

　　Tohelpstudentsbetterunderstand“Greatscientists”4.

　　Tohelpstudentslearntousesomeimportantwordsandexpressions5.

　　Tohelpstudentsidentifyexamplesof“ThePastParticipleasthePredicative&theattribute”Period1warmingupandreadingTeachingProceduresI.warmingupStepILeadinTalkaboutscientist.T:

Hi,morning,class.Nicetoseeyouonthisspecialday,thedaywhenyoubecomeaseniortwograder.IamhappytobewithyouhelpingyouwithyourEnglish.Todaywearetoreadaboutacertainscientist.Butfirstlet’sdefinetheword“scientist”.whatisascientist?

Ascientistisapersonwhoworksinscience,tryingtounderstandhowtheuniverseorotherthingswork.Scientistscanworkindifferentareasofscience.Herearesomeexamples:

Thosethatstudyphysicsarephysicists.Thosethatstudychemistryarechemists.Thosethatstudybiologyarebiologists.StepII

　　Askthestudentstotrythequizandfindoutwhoknowsthemost.T:

Therearesomegreatscientificachievementsthathavechangedtheworld.canyounamesomeofthem?

whatkindofroledotheyplayinthefieldofscience?

Dotheseachievementshaveanythingincommon?

　　matchtheinventionswiththeirinventorsbelowbeforeyouanswerallthesequestions.1.Archimedes,AncientGreek,amathematician.2.charlesDarwin,Britain.ThenameofthebookisoriginofSpecies.3.ThomasNewcomen,British,aninventorofsteamengine.4.Gregormendel,czech,abotanistandgeneticist.5.mariecurie,PolishandFrench,achemistandphysicist.6.ThomasEdison,American,aninventor.7.LeonardodaVinci,Italian,anartist.8.SirHumphryDavy,British,aninventorandchemist.9.ZhangHeng,ancientchina,aninventor.10.StepperHawking,British,aphysicist.II.Pre-reading

　　StepIGetthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.1.

　　whatdoyouknowaboutinfectiousdiseases?

Infectiousdiseasescanbespreadtootherpeople.Theyhaveanunknowncauseandneedpublichealthcaretosolvethem.Peoplemaybeexposedtoinfectiousdisease,somayanimals,suchasbirdflu，AIDS,SARSareinfectiousdiseases.Infectiousdiseasesaredifficulttocure.2.

　　whatdoyouknowaboutcholera?

choleraistheillnesscausedbyabacteriumcalledVibriocholerae.Itinfectspeople’sintestines,causingdiarrheaandlegcramps.Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeencontaminatedwiththebacteria.choleracanbemildorevenwithoutimmediatesymptoms,butaseverecasecanleadtodeathwithoutimmediatelytreatment.3.Doyouknowhowtoproveanewideainscientificresearch?

Anybodymightcomeoutwithanewidea.Buthowdoweproveitinscientificresearch?

Therearesevenstagesinexamininganewideainscientificresearch.Andtheycanbeputinthefollowingorder.whatorderwouldyouputthesevenin?

justguess.Findaproblem→makeupaquestion→Thinkofamethod→collectresults→Analysetheresults→Drawaconclusion→RepeatifnecessaryIII.ReadingStepI

　　Pre-readingDoyouknowjohnSnow?

johnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“kingcholera”.Doyouknowwhatkindofdiseaseischolera?

Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Let’sgettoknowhowDr.johnSnowdefeated“kingcholera”in1854inLondoninthisreadingpassage:

StepII

　　Skimming找教案

　　Readthepassageandanswerthequestions.1.

　　whodefeats“kingcholera“?

2.

　　whathappenedin1854?

　　3.

　　Howmanypeoplediedin10days?

4.

　　whyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9cambridgeStreet?

Skimthepassageandfindtheinformationtocompletetheformbelow.whowhenwhatHowResultjohnSnow1854helpingordinarypeopleexposedtocholeraExaminingthesourceofallwatersuppliesandfindingnewmethodsofdealingwithpollutedwaster“kingcholera”defeatedStepIII

　　ScanningReadthepassageandnumbertheseeventsintheorderthattheyhappened.

　　2

　　johnSnowbegantotesttwotheories.

　　AnoutbreakofcholerahitLondonin1854.

　　4

　　johnSnowmarkedthedeathsonamap.

　　7

　　Heannouncedthatthewatercarriedthedisease.

　　3

　　johnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.

　　8

　　kingcholerawasdefeated.

　　5

　　Hefoundthatmostofthedeathswerenearawaterpump.

　　6

　　Hehadthehandleremovedfromthewaterpump.StepIV

　　mainideaandcorrectstage找教案Readthepassageandputthecorrectstagesintothereadingaboutresearchintoadisease.johnSnowDefeats“kingcholera”ParagraphStagesGeneralideas1Findaproblem:

whatcausethecholera?

Thecausesofcholera2makeupaquestion:

whichisright?

Thecorrectorpossibletheory3Thinkofamethod:

Testtwotheorycollectdataonwherepeoplewereillanddiedandwheretheygottheirwater4collectresults:

markthedeathPlotinformationonamaptofindoutwherepeoplediedordidnotdie5Analyzetheresults:

FindtheresourceofthewaterLookintothewatertoseeifthatisthecauseoftheillness6FindsupportingevidenceFindotherevidencestoconfirmhisconclusion7DrawaconclusionThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera

　　StepV

　　GroupdiscussionAnswerthequestions1.johnSnowbelievedIdea2wasright.Howdidhefinallyproveit?

2.DoyouthinkjohnSnowwouldhavesolvedthisproblemwithoutthemap?

　　3.choleraisa19thcenturydisease.whatdiseasedoyouthinkissimilartocholeratoday?

StepVI

　　Usingthestagesforscientificresearchandwriteasummary.Period2&3

　　LanguagefocusStepI

　　warmingup1.

　　characteristic①

　　n.aqualityorfeatureofsth.orsomeonethatistypicalofthemandeasytorecongnize.特征；特性

　　whatcharacteristicsdistinguishtheAmericansfromthecanadians.②

　　a.

　　verytypicalofaparticularthingorofsomeone’scharacer典型性的，

　　Suchbluntnessischaracteristicofhim.windydaysarecharacteristicofmarch.[辨析]characteristic与character找教案

　　characteristic是可数名词，意为“与众不同的特征“character表示（个人、集体、民族特有的）“性格、品质”，还意为“人物；文字”whatyouknowabouthimisn’thisrealcharacter.2.putforward:

tostateanideaoropinion,ortosuggestaplanorperson,forotherpeopletoconsider提出

　　Heputforwardanewtheory.Theforeignershaveputforwardaproposalforajointventure.Aninterestingsuggestionformeasuringtheatmospherearoundmarshasbeenputforward.☆puton穿上;戴上;增加

　　putout熄灭;扑灭

　　putupwith…忍受putdown写下来;放下；

　　putoff耽误;延期

　　putup建立;建造,putup举起，搭建，粘贴3.analyze:

toexamineorthinkaboutsomethingcarefullyinordertounderstandit

　　vt.分析结果、检讨、细察

　　Acomputeranalysesthephotographssentbythesatellite.Theearthquakeexperttriedtoanalyzethecauseoftheearthquakeoccurredonmay12,XX.

　　Let’sanalyzetheproblemandseewhatwentwrong.

　　Heanalyzedthefoodandfoundthatitcontainedpoison.

　　wemusttrytoanalyzethecausesofthestrike.☆analysis

　　n.分析，解析，分解4.conclude:

　　decidethatsth.istrueafterconsideringaltheinformationyouhave得出结论；推论出

　　toendsth.suchasameetingorspeechbydoingorsayingonefinalthing

　　vt.&vi结束，终止；

　　weconcludedthemeetingat8o’clockwithaprayer.

　　Fromhisappearancewemaysafelyconcludethatheisaheavysmoker.

　　whatdoyouconcludefromthesefacts?

　　weconcludetogoout/thatwewouldgoout.conclusion

　　n.结论

　　arriveataconclusion;cometoaconclusion;drawaconclusion;reachaconclusion

　　whatconclusiondidyoucometo/reach/draw/arriveat?

　　Fromthesefactswecandrawsomeconclusionsabouthowthepyramidswerebuilt.Step2Reading1.defeat

　　①vt.towinavictoryoversomeoneinawar,competition,gameetc.打败，战胜，使受挫I’vetriedtosolvetheproblem,butitdefeatsme!

ourteamdefeatedtheirsinthegame.②n.失败，输

　　failuretowinorsucceedThismeansadmittingdefeat.Theyhavegotsixvictoriesandtwodefeats.[辨析]win,beat与defeat①win“赢得”赛事、战事、某物；后接人时，意为“争取赢得…的好感或支持；说服”②beat“战胜”“击败”比赛中的对手，可与defeat互换webeat/defeatedtheirteamby10scores.Theywonthebattlebutlostmanymen.Thelocalballteamwonthestatechampionshipbybeating/defeatingalltheotherteams.Icaneasilybeat/defeathimatgolf.HeistraininghardtowintheraceandrealizehisdreamofbecomingachampionattheXXolympicGames.2.expert

　　①

　　n.

　　someonewhohasaspecialskillorspecialknowledgeofasubject专家，能手

　　anexpertinpsychology

　　anagriculturalexpert

　　②a.

　　havingspecialskillorspecialknowledgeofasubject熟练的，有专门技术的

　　anexpertrider

　　anexpertjob需专门知识的工作

　　Heisexpertin/atcooking.找教案3.attend

　　vt.&vi参加，注意，照料①bepresentat参加attendaceremony/lecture/amovie/school/class/ameetingIshallbeattendingthemeeting.Pleaseletmeknowifyouareunabletoattendtheconference.②attendto:

tolookafter,carefor,serve伺候,照顾，看护Thequeenhadagooddoctorattendingonher.

　　DrSmithattendedherinhospital.治疗

　　Areyoubeingattendedto?

接待motherhadtoattendtohersickson.③attendto处理，注意倾听

　　attendtothematter

　　Anurseattendstohisneeds.

　　canyouattendtothematterimmediately?

Imaybelate–Ihavegotoneortwothingstoattendto.Excuseme,butIhaveanurgentmattertoattendto.[辨析]attend,join,joinin与takepartin①

　　attend指参加会议、上课、上学、听报告等②

　　join指加入某组织、团体，成为其中一员③

　　joinin指加入某种活动；表示与某人一起做某事joinsb.insth.④

　　takepartin指参加正式的、有组织的活动，切在活动中起积极作用only2peopleattendedthemeeting.HejoinedthecommunistyouthLeagueinXX.willyoujoinusinthegame?

weoftentalepartintheafter-classactivities.4.expose:

toshowsth.thatisusuallycovered暴露

　　exposesth.tothelightofday

　　把某事暴露于光天化日之下

　　Ithreatenedtoexposehim.我威胁要揭发他.

　　Heexposedhisskintothesun.他把皮肤暴露在阳光下.Theoldmanwasleftexposedtowindandrain.whenhesmiledheexposedasetofperfectwhiteteeth.5.cure

　　vt.&n.tomakesomeonewhoisillwellagian治疗,痊愈whenIleftthehospitalIwascompletelycured.①curesbofadiseasewhenyouhaveapaininyourshoulders,youwillgotoseeadoctor.Thedoctorwillcureyou.

　　Theonlywaytocurebackacheistorest.Hewillcurethepaininyourshoulders

　　whenIleftthehospitalIwascompletelycured.

　　Theillnesscannotbecuredeasily.Althoughtheboywasbeyondcure,hisparentstriedtocurehimofbadhabits.②acureforadiseaseAspirinissaidtobeawonderfulcureforthepain.

　　Thereisstillnocureforthecommoncold.

　　Isthereacertaincureforcanceryet?

③acureforsth.:

toremoveaproblem,orimproveabadsituation解决问题，改善困境Thepricesaregoingupeveryday,butthereisnocureforrisingprices.[辨析]cure与treat①

　　cure主要指痊愈，强调的是结果②

　　treat强调治疗过程，指通过药物、特别的食品或运动治疗病人或疾病，不强调结果。

Theycuredmeofmyinfluenza.Theytreatedmewithanewdrug.6.control

　　vt.&n.

　　①

　　vt.：

tohavepowerover,rule,direct控制，支配，管理Hecannotcontrolhisfeelings/anger.找教案youaretryingtocontrolmeasthoughIwereyourslave.Thegovernmenttriesitsbesttocon