高中英语(人教大纲)第三册：Unit2-Crossing-limits(第四课时)

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用心爱心专心

TheFourthPeriod

TeachingAims:

1.Learnandmasterthefollowingwordsandphrases:

suggest,accomplish,apartfrom,sickness,unable,sacred,referto,runout,arise,evidence

2.Revisethelanguagepointsandgrammar—thePredicateinthisunit.

3.Trainthestudents’integratingskills,exp.thewritingskill.

TeachingImportantPoints:

1.Improvethestudents’integratingskills.

2.Helpthestudentswriteapersuasiveessay.

TeachingDifficultPoints:

1.Howtohelpthestudentsunderstandthepassagebetter.

2.Howtohelpthestudentslearntowriteapersuasiveessay.

TeachingMethods:

1.Doingexercisestorevisewhatthey’velearntbefore.

2.Asking-and-answeringactivitytogothroughthereadingpassage.

3.Discussiontohelpthestudentsunderstandthepassagebetter.

4.Individual,pairorgroupworktomakeeverystudenttakepartintheactivitiesinclass.

TeachingAids:

1.themultimedia

2.ataperecorder

3.theblackboard

TeachingProcedures:

StepⅠGreetings

Greetthewholeclassasusual.

StepⅡRevision

T:YesterdaywereviewedthePredicate.Now,let’sdoanexercisetoseeifyou’vemastereditwellenough.Lookatthescreen.

(Teachershowsthefollowingonthescreen.)

Fillintheblankswiththeproperformoftheverbsinbrackets.

1.HenryStanley________(be)borninWalesandlater________(become)anAmericanjournalist.

2.HehelpedtosearchforDrLivingstoneinAfricawho________(miss)forsomeyears.

3.AsLivingstone________(be)alreadyveryfamous,anynewsabouthim________(get)thepublic’sattention.

4.Thebell________(ring)foraminutebeforetheclassbegan.

5.Hardly________I________(get)intotheroomwhenit________(start)torain.

6.Bytheendofthismonth,they________(complete)theroadconstruction.

7.AssoonasI________(hear)fromhim,I’llletyouknow.

8.JohntoldMarythathe________(ask)whathewasdoingduringtheholidays.

9.Tom,youaresolazy,thisjob________(finish)hoursbefore.

10.SomebodyknockedatthedoorwhileI________(do)somereading.

(Teacherasksthestudentstodothemin5minutes.Afterthat,checktheanswerswiththewholeclass.)

Suggestedanswers:

1.was;became

2.hadbeenmissing

3.was;got

4.hadbeenringing

5.had;gotstarted

6.willhavecompleted

7.hear

8.hadbeenasked

9.shouldhavebeenfinished

10.wasdoing

T:OK,let’sdoanotherexercise.Pleaselookattheusefulexpressionsonthescreen,andthenchoosetherightphrasestocompletethesentencesbelow.

(Teachershowsthefollowingonthescreen.)

takepossessionof,

inthenameof,

berichin,

beequippedwith,

riskone’slife,

inexchangefor,

runout(of),

apartfrom,

inreturn,setsail

1.We________typingpaper.

2.Hedecidedto________forQingdaolastnight.

3.Everyclassroom________modernteachingequipmentinourschool.

4.HeisgivingherEnglishlessons________Chineselessons.

5.Thearea________alotofcoal.

6.Wemust________theenemystrongholdbeforedark.

7.________watchingTV,hedoesn’thaveanyhobby.

8.Herhardworkgotherraised________.

9.He________totrytoputoutthefire,buthefailed.

10.Iwelcomeyoutoourschool________ourheadmaster.

(Amomentlater,teachercheckstheanswerswiththewholeclass.)

Suggestedanswers:

1.haverunoutof

2.setsail

3.isequippedwith

4.inexchangefor

5.isrichin

6.takepossessionof

7.Apartfrom

8.inreturn

9.riskedhislife

10.inthenameof

T:Welldone.Somuchforrevision.

StepⅢPreparationforReading

T:Inthelastperiods,we’vetalkedmoreaboutexploringtheworld.Haveyourememberedwhichwordsandexpressionshelpusdescribetheexploration?

Ss:discover,explore,setsail,puzzle

T:Verygood.Whenwereferredtoexploration,wetalkedaboutsomeexplorers.Todaywe’lllearnsomethingaboutthemostchallengingexplorationintheworld,thasis,conqueringthehighestmountainonearthMountQomolangma.Beforewereadthepassage,we’lllearnthenewwordsinthetext.

(Teacherdealswiththenewwordsasusual.)

StepⅣReading

T:OK.OpenyourbooksatPage16.Firstlet’sreadthetitletogether.Goinghigh:ThePioneersoftheThirdPole.Lookingatthetitle,don’tyouhaveanycuriosityaboutthepassage?NowIhavequestionsforyou.Lookatthescreenplease.Doitasquicklyasyoucanandwriteyouranswersonapieceofpaper.Afterseveralminutes,I’llcheckyouranswers.

(Teachershowsthequestionsonthescreen.)

1.Whatdoes“thethirdPole”refertointhetext?WhydoesthewritercallitthethirdPole?

2.WhoarethepioneersofthethirdPole?

3.WhyisitdifficulttoclimbMountQomolangma?

4.WhyweretheSherpasregardedasidealcompanionsonthemountain?

5.Whowasthefirsttoreachthetop?

6.WhydoestheauthorthinkclimbingMountQomolangmaremainsoneofman’sgreatestchallenges?

7.DidtheChineseteameverreachthesummitofthemountain?Howdoyouknow?

(Abouttenminuteslater,teachercheckstheanswers.)

Suggestedanswers:

1.“ThethirdPole”referstoMountQomolangma.ThemountainwascalledthethirdPolebecauseexploringitisastoughandriskyjobasreachingtheNorthandSouthPoles.

2.Theyarepoeplefromallovertheworldwhohavereachedthesummitofthemountain.

3.Possiblybecauseofthegreatheight,thecoldthinair,lowoxygenandlevels.Strengthandskillarealsoneeded.

4.Sherpa’sstrength,skill,honestyanddedicationmadethemidealcompanions.

5.TheNewZealanderEdmundHillaryandtheSherpaTenzingNorgay.

6.BecauseclimbingMountQomolangmaisagreatpersonalachievementlikewinningintheOlympicGames.

7.Yes.TheyleftbehindanironcontainerwithournationalflagandaportraitofChairmanMaoZedongonthesummit.

T:Now,lookatthescreenagain.I’llexplainsomeexpressionstoyousothatyoucanusethemfreely.

(Teachershowsthefollowingonthescreen.)

1.apartfrom

e.g.ApartfromBeijing,theyhavevisitedTianjin,Nanjing,JinanandQingdao.

2.adjustto

e.g.TheforeignershaveadjustedtolifeinBeijing.

3.actas

e.g.Inthedrama,sheactedasasleepingbeauty.

4.relyon(=dependon)

e.g.Thesuccessoftheprojectreliesontheeffortsofalltheengineers.

5.referto...as...(=thinkof...as...)

e.g.WeallrefertoMrQinasagoodteacher.

6.runout(of)

e.g.Theywereoutofbreathastheirstrengthranout.

7.bepraisedas(=behonoredas)

e.g.TheathleteswhowonmedalsintheOlympicsarepraisedasnationalheroes.

(Bb:apartfrom,adjustto,actas,relyon,referto...as...,runout,bepraisedas)

T:Doyouhaveanythingelseyoudon’tunderstand?Ifyouhaveany,pleasetellme.I’llbegladtoexplainthemtoyou.

(Teacheranswersthequestionsraisedbythestudents.)

T:OK.You’veunderstoodthepassagebetter.NowpleasereadthepassageagainandthenfinishEx.2andPage17.Iallowyou5minutestodoit.ThenI’llcheckyouranswers.

T:(Afewminuteslater.)Haveyoufinishedit?

Ss:Yes.

(Teacherbeginstochecktheanswers.)

Suggestedanswers:

GoingtoQomolangmawaslikegoingtothemoon:GoingtoQomolangmawasextremelydifficultanddangerous,justlikegoingtothemoon.Thedeathzone:Whenyougoaboveabout5200metres,you’reenteringthedeatharea/limits,peoplecanhardlysurviveattheheight.

Theyhadnoideawhattheywereupagainst:Theydidn’tknowwhatdifficultiestheywerefacingwith.

Englishair:oxygeninthebottlestheBritishexpeditionsbroughtwiththem.

StepⅤListeningandReading

T:Next,let’slistentothetape.WhenIplayforthefirsttime,justlistentoit.WhenIplayforthesecondtime,pleaselistenandrepeat.Thenreadthepassagealoud.Isthatclear?

Ss:Yes.

(Teacherplaysthetapeforthestudentstolisteto.Thenthestudentsreadthepassage.)

StepⅥWriting

T:Now,turntoPage18.It’stimeforustodosomewritingpractice.Todaywe’lllearntowriteapersuasiveessay.Beforewriting,pleasereadtherequirmentofthewriting.

(Studentsbegintoreadit.)

T:(Afterashortwhile.)OK.Nowpleasediscusshowtofinishtheessayingroupsoffour.Thenwriteyouressayonapieceofpaper.Clear?

Ss:Yeah.

T:OK.Goahead.

(Iftimeislimited,teachermayaskstudentstofinishthetaskafterclass.