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1、Lesson3NaturalDisasters天长市关塘中学徐桂芹Vocabularyaboutnaturaldisasterstsunami海啸typhoon台风volcaniceruption火山喷发flood洪水landslide滑坡，山崩hurricane飓风,狂风ReadaloudandmemorizethemWhatdoyouthinkcausesthedisasters,peopleornature?(Ex3P10):UsetheStrategiestocompletethegapsinthetext(1-5)withthesesentences
2、(a-g).Therearetwoextrasentencesyoudonotneed.Butevidenceshowsthat73,000yearsagotherewasamuchgreatereruption.b)EvenEuropehassufferedandlargeareashavebeenunderwater.Thatisprobablynotthemostimportantfactoreither.Third,theotherbitsoflandyoumighthavebeenabletofarmarenowuseless.Ontopofthat
3、addglobalwarming.f)Forexample,theYellowRiver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.g)Oneanswerisoverpopulation.ReadingstrategiesReadforcluesaboutthemissingsentence.(time,place,pron.linking)1.TerriblefloodinginAsia…bExampleevenEurope…underwaterReadingstrategi
4、esReadforcluesaboutthemissingsentence.(time,place,pron.linking)2.Reducedrainfall;drierftheYellowRiverfailedtoreachthesea3.Why…?gOneansweris…ReadingstrategiesReadforcluesaboutthemissingsentence.(time,place,pron.linking)4.ThishasbeencausedbyCO2...eGlobalwarming5.…theworsteruption…a…am
5、uchgreatereruption(Ex3P10):UsetheStrategiestocompletethegapsinthetext(1-5)withthesesentences(a-g).Therearetwoextrasentencesyoudonotneed.Butevidenceshowsthat73,000yearsagotherewasamuchgreatereruption.b)EvenEuropehassufferedandlargeareashavebeenunderwater.Thatisprobablynotthemostimpor
6、tantfactoreither.Third,theotherbitsoflandyoumighthavebeenabletofarmarenowuseless.Ontopofthataddglobalwarming.f)Forexample,theYellowRiver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.g)Oneanswerisoverpopulation.Keys:1.—b2.–f3.—g4.—e5.—aWhatcausesthedisasters?Bothpeo
7、pleandnature1stReadingGeneralideaofthetext.Naturaldisastersaregettingworsebecauseofhumanactivities.Readingstrategy2→skimmingReadaparagraphwithasentencegapandidentifythetopic,e.gdisasters.Para1:Para2:Para3:Para4:Para5:volcaniceruption&earthquakeshowtheirthreattoourworld.Causesofnatur
8、aldisasters—Urbaniz
