资源描述：
《外研版必修三英语M3第三单元教案.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Period1IntroductionStep1.WarmingupLookatthepictureandanswerthefollowingquestions.Q1.Haveyoueverheardofthetsunamiin2004?Q2.Whenandwheredidithappen?Q3.Whatkindofdamagediditcause?Q4.Canyoulistsomeofothernaturaldisasters?Q5.Tsunamisarenaturaloccurrences.Can
2、humanbeingsstopthem?Suggestedanswers:Q1.Yes.Q2.Attheendof2004,amassiveearthquakesenttsunamismashingintoIndianOceancoastline.Manyheavilypopulatedareasdisastersfromit.Q3.SriLanka,Indonesia,Thailand,India,MalaysiaandEastAfricadestroyedbythemonsterwaves,cau
3、singmillionsofdeaths.Q4.Flood,Fire,drought,landslide,earthquake,tornado,hurricaneandsoon.Q5.No.TsunamisareanaturaloccurrencerelatedtotheprocessesthatshapetheEarth'ssurface—earthquakes,volcanoes,andlandslides.Theseprocessesaredrivenbytheheatescapingfromt
4、heEarthandgravity,andpeoplecannotcontroltheseunderlyingforces.Step2.VocabularyLearningMatchthewordsintheboxwiththeirdefinitions.Floodhurricanelightningthunderstormtornado1.alotofwaterinanareawhichisusuallydry2.averystrongwindorstorm3.alotofrainfallingqu
5、ickly,withloudnoisesandflashesoflight4.theflashoflightwhichhappensduringathunderstorm5.acolumnofairthatturnsveryquickly.Suggestedanswers:Afloodisalotofwaterinanareawhichisusuallydry.Ahurricaneisaverystrongwindandstorm.Lightningistheflashoflightwhichoccu
6、rsduringathunderstorm.Athunderstormisalotofrainfallingquickly,withloudnoisesandflashesoflight.Atornadoisacolumnofairthatturnsveryquickly.Step3FunctionTrytofindthecommoncharacteristicofthesentencesabove.Suggestedanswers:ØEachsentencesgivesadefinitionofaw
7、ord.ØTheAttributiveClauseappearsineachsentence.ØWhenwegiveadefinitionofaword,theAttributiveClauseisusuallynecessaryandhopeful.We’dbetterlearntousethestructure“AisBthat/which”Step4PracticeGivedefinitionsofthewordsfollowingthepattern“AisBthat/which”.Anear
8、thquakeavolcaniceruptionaplanecrashSuggestedanswers:1.Anearthquakehappenswhentheearthshakesbecauseofmovementunderground.2.Avolcaniceruptionisthatlavaandashcomingoutofavolcano.3.Aplanecrashisthataplanestoppingflyingandcrashinginto
