Unit 22 Environmental Protection教學(xué)設(shè)計教案

Unit22EnvironmentalProtection

Lesson1GlobalWarming

Teachingaims:

1.Languagecompetencies

a.Understandsomenewtermsandlongsentencesinthepassage;

b.Graspthestructureandthemainideaofthepassage.

2.Learningcompetencies

Usethereadingskillstodrawinformationfromthepassage.

3.Thinkingqualities

Knowwhatglobalwarmingisandformtheirownopinionsonthetopic.

4.Culturalconsciousness

Raisetheawarenessofprotectingtheenvironmentandtakingactionnow.

Teachingmethods:

Task-basedapproach,student-centeredapproach

Teachingaids:

themultimedia,thehandout

Teachingfocusanddifficulty:

Somestudentsmaylackinterest.Helpstudentsanalyzeandgraspthestructure,whichcanhelpunderstandthewholetextwell.

Teachingprocedures:

Step1Lead-in

TuvaluisatinycountryinthePacificOcean,formedbysomeislands.Showonepictureofgreatnaturalsceneries,saying“Tuvalu-arealparadise”.(Peoplelivingherehadtoleavebecausetheparadiseturnedintoahell.)Showanothertwopicturesaboutdisasters,whicharecausedbyglobalwarming.

Step2Pre-reading

Askstudentstoguesswhatglobalwarmingmeansliterally,andinviteastudenttosharehis/herunderstanding.Thenleadtothepassage.

Step3While-reading

Activity1

Askeachstudenttoreadthetextforthemeaningofglobalwarming,andchecktheguessing.Afterreading,pointoutwhichparagraphtheanswerliesin,thenaskthemtoreaditasawhole.

Activity2

Showtheheadingsof5paragraphs,andaskstudentstoguessthecorrectorderbeforereading.Thenhavethemreadthetextquicklyandmatchtheheadingwitheachparagraph.

Para11.Consequences.

Para22.Actions.

Para33.Definition.

Para44.Introduction.

Para55.Causes.

Invitesomestudentstosharetheiropinions.Writetheheadingsontheblackboardinthecorrectorder.

Activity3

Readthepassageandanswersomequestionsonebyone.

1.Canwelivewithoutgreenhousegases(CO2)?Why?

(Para.1,2)

2.WhyistheremoreandmoreCO2intheatmosphere?(Para.3)

3.Whateffectmayglobalwarminghaveonsomeseasidecities,likeDalian,Xia’men?(Para.4)

4.Haveyouheardoftheterm“l(fā)owcarbonliving”?Howcanweachievethislifestyle?(Para5)

Step4Post-reading

Activity4

Askstudentstofillinthetableasthesummaryofthepassage.Encouragestudentstorushtoanswer.Ifaproblemcan’tbeworkedout,theanswerswillbeshown.

Activity5

Showtwotopicsfordiscussion,andstudentscanchooseeitherofthemtoperform.

4studentsformagroup.Encourageeachstudenttospeakupduringdiscussion.Inviteseveralgroupstosharetheiropinions.Afterthediscussion,showapicturewherewecanseethechange.

Step5Homework

InTuvalu,akidaskshismom,“Whymustweleaveourhometown?”Pleasewriteashortpassagetohim,explainingwhatishappening.(nolessthan80words)

Step6Reflection

1minutewillbeleftforstudentstotakethereflectionofthepassage.

TeachingIntrospection:(It’llbecompletedaftertheclass.)

BlackboardDesign

GlobalWarming

1.IntroductionCO2Warm

2.Defini