Unit22Lesson3NaturalDisasters

崇世界

I.TeachingAims

1.Topractisereadingstrategiestocompletetextswithsentencegaps.

2.Topractiseusingthevocabularyofnaturaldisasters.

3.Todoexercisesaboutthetext.

4.Totalkaboutdisastersandaid.

II.TeachingImportantPointsandDifficultPoints

1.Somestudentsmayhaveproblemswiththepronunciationofthevocabulary.

2.Howtoreadthetextandgraspthemainideaofit.

3.TohelpthestudentsimprovetheirabilitytoexpressEnglishandtobecreative.

III.TeachingMethods

1.Multimediacomputerassistedinstruction

2.Communicativeteachingmethod

3.Student-centeredteachingmethod

4.Activity-basedteachingmethods(Question-and-answer;Freediscussion;individualwork,pairwork,groupwork)

IV.TeachingAids

Multi-mediacomputer,theblackboard

V.TeachingProcedures

Step1Greeting

Greetthewholeclassasusual.

Step2Warmup

Showthemsomepicturesofthedisasters.Lookatthefollowingpicturesandpointoutwhatkindofdisasterstheyare?

Aretheycausedbypeople?

Aretheymadeworsebypeople?

Aretheynatural?

Andthenleadinnewsubject:NaturalDisasters.

Step3Readtolearn

AskSstoreadthetextandchecktheiranswerstoExercise1.TellSstoreadthroughthesentencesfirstbeforetheygobacktothetextandstudyeachparagraph,andthenaskthemtocompleteexercise3individually,checktheiranswers.

UsetheStrategiestocompletethegapsinthetext(1-5)withthesesentences(a-g).Therearetwoextrasentencesyoudonotneed:

Butevidenceshowsthat73,000yearsagotherewasamuchgreatereruption.

EvenEuropehassufferedandlargeareashavebeenunderwater.

Thatisprobablynotthemostimportantfactoreither.

Third,theotherbitsoflandyoumighthavebeenabletofarmarenowuseless.

Ontopofthataddglobalwarming.

Forexample,theYellowRiver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.

Oneanswerisoverpopulation.

Step4.Listening

Playthecassette,whiletheyarelistening,askthemtopayattentiontothepronunciationofthespeakerandchecktheanswersinexercise3.

Step5.Intensivereading

Askstudentstoreadthetextagainandanswerthequestions.Readthepassagecarefullyagainandfillinthefollowingblanksonthescreen.

1.whatistheattitudeofthejournalisttowardsthefuture?

2.Whoarethemostlikelytobevictimsofnaturaldisasters?

3.Whyaretherenowmorehurricanes,floodsanddroughts?

4.Whyarevolcanoesandearth