Teaching aims.docx

Teaching aims.docx

《Teaching aims.docx》由会员分享，可在线阅读，更多相关《Teaching aims.docx（17页珍藏版）》请在冰豆网上搜索。

Teachingaims

Teachingaims

1.Tohelpstudentslearntodescribepeople

2.TohelpstudentslearntoreadanarrationaboutJohnSnow

3.Tohelpstudentsbetterunderstand“Greatscientists”

4.Tohelpstudentslearntousesomeimportantwordsandexpressions

5.Tohelpstudentsidentifyexamplesof“ThePastParticiple

（1）asthePredicative&theattribute”

Period1Warmingupandreading

TeachingProcedures

I.Warmingup

StepILeadin

Talkaboutscientist.

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（287-212BC）,amathematician.

2.CharlesDarwin,Britain（1808-1882）.ThenameofthebookisOriginofSpecies.

3.ThomasNewcomen,British（1663-1729）,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

StepI

Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

1.Whatdoyouknowaboutinfectiousdiseases?

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

2.Whatdoyouknowaboutcholera?

CholeraistheillnesscausedbyabacteriumcalledVibriocholerae.Itinfectspeople’sintestines（肠）,causingdiarrheaandlegcramps（抽筋）.

Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeencontaminated（污染）withthebacteria.

Choleracanbemild（不严重的）orevenwithoutimmediatesymptoms（症状）,butaseverecasecanleadtodeathwithoutimmediatelytreatment.

3.Doyouknowhowtoproveanewideainscientificresearch?

Anybodymightcomeoutwithanewidea.Buthowdoweproveitinscientificresearch?

Therearesevenstagesinexamininganewideainscientificresearch.Andtheycanbeputinthefollowingorder.Whatorderwouldyouputthesevenin?

Justguess.

Findaproblem→Makeupaquestion→Thinkofamethod→Collectresults→

Analysetheresults→Drawaconclusion→Repeatifnecessary

III.Reading

StepIPre-reading

1.DoyouknowJohnSnow?

JohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.

2.Doyouknowwhatkindofdiseaseischolera?

Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.

Let’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:

StepIISkimming找教案

Readthepassageandanswerthequestions.

1.Whodefeats“KingCholera“?

（JohnSnow）

2.Whathappenedin1854?

（CholeraoutbreakhitLondon.）

3.Howmanypeoplediedin10days?

（500）

4.WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?

（ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.）

（Optional）

Skimthepassageandfindtheinformationtocompletetheformbelow.

Who

When

What

How

Result

JohnSnow

1854

helpingordinarypeopleexposedtocholera

Examiningthesourceofallwatersuppliesandfindingnewmethodsofdealingwithpollutedwaster

“KingCholera”defeated

StepIIIScanning

Readthepassageandnumbertheseeventsintheorderthattheyhappened.

2JohnSnowbegantotesttwotheories.

1AnoutbreakofcholerahitLondonin1854.

4JohnSnowmarkedthedeathsonamap.

7Heannouncedthatthewatercarriedthedisease.

3JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.

8KingCholerawasdefeated.

5Hefoundthatmostofthedeathswerenearawaterpump.

6Hehadthehandleremovedfromthewaterpump.

StepIVMainideaandcorrectstage找教案

Readthepassageandputthecorrectstagesintothereadingaboutresearchintoadisease.

JohnSnowDefeats“KingCholera”

Paragraph

Stages

Generalideas

1

Findaproblem:

Whatcausethecholera?

Thecausesofcholera

2

Makeupaquestion:

Whichisright?

Thecorrectorpossibletheory

3

Thinkofamethod:

Testtwotheory

Collectdataonwherepeoplewereillanddiedandwheretheygottheirwater

4

Collectresults:

Markthedeath

Plotinformationonamaptofindoutwherepeoplediedordidnotdie

5

Analyzetheresults:

Findtheresourceofthewater

Lookintothewatertoseeifthatisthecauseoftheillness

6

Findsupportingevidence

Findotherevidencestoconfirmhisconclusion

7

Drawaconclusion

ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera

StepVGroupdiscussion

Answerthequestions（Finishexercise2onPage3）

1.JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?

（JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.）

2.DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap?

（No.ThemaphelpedJohnSnoworganizehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.）

3.Choleraisa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?

（Twodiseases,whicharesimilartoday,areSARSandAIDSbecausetheyarebothserious,haveanunknowncauseandneedpublichealthcaretosolvethem.）

StepVIUsingthestagesforscientificresearchandwriteasummary.

Period2&3Languagefocus

StepIWarmingup

1.characteristic

①n.aqualityorfeatureofsth.orsomeonethatistypicalofthemandeasytorecongnize.特征；特性

WhatcharacteristicsdistinguishtheAmericansfromtheCanadians.

②a.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,forotherpeopleto

consider提出

Heputforwardanewtheory.

Theforeignershaveputforwardaproposalforajointventure.

AninterestingsuggestionformeasuringtheatmospherearoundMarshasbeenputforward.

☆puton穿上;戴上;增加putout熄灭（灯）;扑灭（火）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:

toexamineorthinkaboutsomethingcarefullyinordertounderstanditvt.分析结果、检讨、细察

Acomputeranalysesthephotographssentbythesatellite.

TheearthquakeexperttriedtoanalyzethecauseoftheearthquakeoccurredonMay12,2008.

Let’sanalyzetheproblemandseewhatwentwrong.

Heanalyzedthefoodandfoundthatitcontainedpoison.

Wemusttrytoanalyzethecausesofthestrike.

☆analysisn.分析，解析，分解

4.conclude:

decidethatsth.istrueafterconsideringaltheinformationyouhave得出结论；推论出toendsth.suchasameetingorspeechbydoingorsayingonefinalthingvt.&vi结束，终止；

Weconcludedthemeetingat8o’clockwithaprayer.

Fromhisappearancewemaysafelyconcludethatheisaheavysmoker.

Whatdoyouconcludefromthesefacts?

Weconcludetogoout/thatwewouldgoout.

conclusionn.结论

arriveataconclusion;cometoaconclusion;drawaconclusion;reachaconclusion

Whatconclusiondidyoucometo/reach/draw/arriveat?

Fromthesefactswecandrawsomeconclusionsabouthowthepyramidswerebuilt.

Step2Reading

1.defeat

①vt.towinavictoryoversomeoneinawar,competition,gameetc.打败，战胜，使受挫

I’vetriedtosolvetheproblem,butitdefeatsme!

Ourteamdefeatedtheirsinthegame.

②n.失败，输failuretowinorsucceed

Thismeansadmittingdefeat.

Theyhavegotsixvictoriesandtwodefeats.

[辨析]win,beat与defeat

①win“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.

H