2023年NSEFC2B Unit 13 全單元教案4(人教版高二英語(yǔ)下冊(cè)教案教學(xué)設(shè)計(jì))

慎而思之，勤而行之。斯是陋室，惟吾德馨。第第2頁(yè)/共2頁(yè)精品文檔推薦2023年NSEFC2BUnit13全單元教案4(人教版高二英語(yǔ)下冊(cè)教案教學(xué)設(shè)計(jì))收拾TheFourthPeriod

TeachingAims:

1.Reviewtheusefulexpressionslearntinthisunitbypractising.

2.Improvethestudents’readingabilitybyreadingthematerial.

3.Improvethestudents’writingability.

4.Enablethestudentstorealizethatitisimportanttoprotecttheestuary.

TeachingImportantPoints:

1.Improvethestudents’readingabilitybyreadingthematerial.

2.Improvethestudents’writingability.

TeachingDifficultPoint:

Howtoimprovethestudents’integratingskills-readingandwriting.

TeachingMethods:

1.Fastreadingtogothroughthereadingmaterial.

2.Inductivemethodtohelpstudentswriteaparagraphsuccessfully.

TeachingAids:

1.themultimedia

2.theblackboard

TeachingProcedures:

StepⅠGreetings

Greetthewholeclassasusual.

StepⅡRevision

T:Yesterdaywedidsomepracticeaboutmodalverbs.Nowlet’sdosomemoreexercisestoseeifyouhavemasteredthem.Pleaselookatthescreen.

(Teacherusesmultimediatoshowtheexercisesonthescreen.)

Fillintheblanksusingmust/might/may/can/couldandtheirnegativeforms.

1.-IsawMaryinthestreetyesterday.

-You______haveseenher.SheisstillinAustralia.

2.-CouldIuseyourbike?

-Yes,ofcourseyou______.

3.Thegroundiswet.It______haverainedlastnight.

4.Amachine______thinkforitself.It______betoldwhattodo.

5.Tom,don’tplaywiththevaluablebottle.You______breakit.

Suggestedanswers:

1.can’t2.can3.must4.can’t,must5.may/might

StepⅢFastReading

T:Goodwork.Butifwewanttousethemodalverbscorrectly,wemustpractisethemasoftenaspossible.Todaywewillreadanotherpassage.Theoceanisveryimportanttoallthelivingthings,whichisknowntous,andIthinkwehavealsoknownaboutthereasonwhytheoceanbecomessoimportant-becauseofthepropertiesofwater,theoceanisveryimportant.Thepassagewewillreadisalsoaboutwater.Itdealswith“thebodyofwater”.Areyouinterestedinthetopic?

S1:Yes.Butwhatisthemeaningof“thebodyofwater”?Ithinkwaterhasnobody.

T:Goodquestion.Ithinkyoucangettheanswertothequestionbyyourself.Nowlet’sreadthepassage.Whileyouarereading,trytomakeclearwhatisthemainideaofeachparagraph.Besides,tryfastreading,itishelpfultoimproveyourreadingability.

(Teachergivesstudentsafewminutestoreadthepassage.)

T:Haveyoufinishedyourreading?

Ss:Yes.

T:WangLin,areyouclearabout“thebodyofwater”?

S2:Yes.Ithink“thebodyofwater”meansthemainpartofwater.

T:Youaregreat!Nowwho’dliketotellmethemainideaofthefirstparagraph?

S3:Anestuaryisthebodyofwaterwherearivermeetstheocean.

T:Right,thankyouforyouranswer.Whataboutthesecondone?

S4:Letmetry.Thegeneralideaisthatestuariesaregreatplacesfornature’syoung.

T:WangPing,tellmethemainideaofthethirdparagraph,please!

S5:I’mnotsure.Ithinkthethirdparagraphtellsusestuariesareimportanttoanimalsandplants,soweshouldtryourbesttoprotectthemfromenvironmentalpollution.AmIright?

T:Yes.Congratulations!Thereisonlythelastparagraphleft.Whocantry?

S6:Ithinkthemainideaofthelastparagraphisthatestuariesarealsoimportanttohumanbeingsbecausetheynotonlyproviderecreationandeducationforusbutalsocontributetotheeconomy.

StepⅣDiscussionandExplanation

T:Thegeneralideaofthepassageisverycleartousnow.Nowlet’sre-readthepassagecarefully.Whileyouarereading,trytofindouttheanswerstothequestionsonPage23.Ifyouneed,youcanhaveadiscussionaboutthem.ThenI’llcheckyouranswers.

(Teachergivesstudentsenoughtimetoreadthepassage.Atthesametime,teachergoesamongthemandhelpsthemexpresstheirownopinionsinEnglishcorrectly.)

Suggestedanswers:

1.Tidesprovideenergyfortheecosystem,andestuariesareprotectedfromwavesandstormsbyislands.Inadditionnutrientsarriveinestuariesfromboththelandandtheocean.Soestuariesaregreatplacesfornature’syoungones.

2.Densitymeansthequalityofbeingdense.Inotherwords,therearemorelivingcreaturesthananyotherhabitatonearth.

3.Estuariescanmakeourwatercleanbyabsorbingnutrientsandpollutantsfromwatercomingfrominlandsources.

4.Thefunctionthatestuariescanabsorbpollutantsandnutrientsmakesestuariesverysensitivetoenvironmentalpollution.

5.Estuariescanproviderecreationandeducationforhumanbeings.Besidesestuariesalsocontributetotheeconomy.Sotheyareveryimportanttohumanbeings.

T:Welldone.Nowyouareveryfamiliarwiththepassage.

Tounderstandthepassagebetter,Iwillexplainsomeimportantphrases.Please,lookattheblackboard.

(Teacherwritesthefollowingphrasesontheblackboard.)

1.provide…for

e.g.Thecompanywillprovidefoodanddrinkforthem.

2.haveanopportunitytodosomething

e.g.Ihadnoopportunitytodiscusstheproblemwithheryesterday.

3.avarietyof

e.g.Heleftforavarietyofreasons.

Thereareavarietyofpatternsforyoutochoosefrom.

4.contributeto

e.g.Hisworkhascontributedtoourunderstandingofthisdifficultsubject.

StepⅤWriting

T:Uptonow,wehavelearntalotaboutwaterandknownthepropertiesofwaterandimportanceofestuaries.Nowyouaregivenanopportunitytocheckifyouknowalotaboutwater.Lookatthequestionsonthescreen.

(Teacherusesmultimediatoshowthequestionsonthescreen.)

1.Whydoesanicecubefloat?

2.Whatwillhappentoapieceofmetalifyouputitinwater?

3.Whydosomanyspeciesliveinestuaries?

4.Whyhavesomanycitiesbeenbuiltbyestuaries?

T:Nowimaginethatyourscienceteacherasksyoutochooseoneofthequestionsandwriteaparagraphtoexplainit.Usewhatyoulearnfromthisunitandwhatyouknowaboutnatureandsciencetowritetheparagraph.Youmustbecarefultoexplainittomakeyourexplanationseasytounderstand.You’dbetterlookatthetipsonPage24beforeyouwrite.It’sofgreathelptoyourwriting.

Possiblesamples:

(Question3)

Saltwaterfromtheoceanandfreshwaterfromtherivermixtogetherinanestuary.Themixingoffreshandsaltwatercreatsauniqueenviromentfilledwithlifeofallkinds.Here,animalscanenjoyallthebenefitsoftheoceanswithouthavingtofacemanyofitsdangersandnutrientsarriveinestuariesfromboththelandandtheocean.Sotherearesomanyspecieslivinginestuaries.

(Question4)

Estuariesaregreatplacesfornature’syoung.Ifmanycitiesarebuiltbyestuaries,wecanenjoyfishing,swimmingandhavingfunonthebeachandscientistsandstudentshaveendlessopportunitiestostudyavaretyoflifeinthehabitat.What’smore,estuariesalsocontributetotheeconomythroughtourismandfishing.Somanycitieshavebeenbuiltbyestuaries.

StepⅥTest

T:Inthisunit,we’velearntsomeimportantphrases.NowI’llgiveyouatesttocheckwhetheryou’vemasteredthemornot.Lookatthescreen,please.

(Teacherusesmultimediatoshowthetestonthescreenandgivesstudentsafewminutestofinishthem.Thencheckstheiranswers.)

1.Thechildren’sage______(在5歲至15歲之間).

2.______(她處理這個(gè)問(wèn)題的主意)isverygood.

3.Aweeklater,______（也就是),Oct1isNationalDay.

4.He______(充足利用了)multimediaintheclass.