必修一Unit4Earthquakesthe1stperiod人教版新课标高中英语必修

1TheFirstPeriod●从容说课Thisisthefirstperiodofthisunit.ItincludesWarming-up，Discussion，NewwordsandListening.Inthisperiod，studentsshouldgetthefirstimpressionofearthquakes，includingthephenomenabeforeanearthquake，thecauseofanearthquake，thewaystoreducethedamageandsoon.InWarming-up，studentsfirstdiscusswhatwouldhappenduringanearthquake.Thendiscusssomeothernaturaldisasters，suchashurricanes，tornadoesandtyphoons.Whataretheyandwhatwouldhappenifthesenaturaldisastersoccur？Afterthesetwosteps，thestudentswouldhaveageneralideaaboutnaturaldisasters.ThislaysafoundationfortheReadingpassage.Alsothesetwostepsprovidethestudentswithenoughchancetopracticespeaking.TheteachershouldstimulatethestudentstoexpressthemselvesusingEnglish.NexttheteacherwillexplainsomenewwordsandexpressionsthatwouldappearintheReadingpassage.Afterclassstudentsshouldusethesewordsandexpressionstomakesentences.Inthisway，theteachercancheckwhetherthestudentshavemasteredthesewordsandexpressionsornot.ThenintheListeningpart，studentswilllistentothecauseofanearthquakeandthewaystoreducethedamage.Theyshouldfirstmakeajudgmentwhetherthestatementsaretrueorfalse.Thentrytofillinaform.Afterfinishingthetasksinthetextbooks，theteachercanalsoaskthestudentstogoonlineafterclasstolookformoreinformationabouthowtoreducethedamageofanearthquake.Thisperiodlaysemphasisonspeakingandlistening.Theteachershouldtryhisorherbesttoencouragethestudentstosaysomething.Don’talwayscorrectthemistakesthatthestudentswouldmakewhilespeaking.Otherwise，thestudentswouldfeelreluctanttospeakouttheiropinions.●三维目标1.Knowledge：（1）Getageneralideaofearthquakesandsomeothernaturaldisasters.（2）Knowthecausesofanearthquake.2.Ability：（1）Trainthestudents’speakingabilitybydescribing，talkinganddiscussion.（2）Trainthestudents’listeningability.（3）Trainthestudents’abilitytousetheInternettosearchforsomeusefulinformation.（4）Trainthestudents’abilitytocooperatewithothers.3.Emotion：（1）Knowthedamagethatanearthquakeandothernaturaldisasterscouldbringabout.（2）Knowthewaystoreducethelossesofanearthquake.●教学重点Trainthestudents’speakingabilitybydescribing，talkinganddiscussion.●教学难点Trainthestudents’listeningability.●教具准备（1）ataperecorder2（2）aprojector（3）theblackboard●教学过程Step1GreetingsTeacher（T）：Goodmorning/afternoon，class!Students（Ss）：Goodmorning/afternoon，teacher.Step2Warming-upT：First，Iwanttoaskyouaquestion.DoyouknowwhathappenedintheIndianOceanattheendoflastyear？Itshockedorwecansayfrightenedthewholeworld.S1：Letmetry.Aterribletsunamibrokeoutthereon26thDecember.Morethan200000peoplewerekilled.T：Yes.Itissaidthatitisthebiggestinthefourdecades.Atsunamiisanunderseaearthquake.Thenhaveyouheardofanylandearthquakes？Ss：Yes.T：Wouldyoupleaselistsome？S2：WecanoftenhearthatearthquakesoccurinJapan.S3：In1906，anearthquakestruckSanFrancisco，USA.About700peoplediedintheearthquakeandthefires.Andasmanyas250000peoplelosthomes.S4：Andin1989，anotherbigearthquakehitSanFrancisco.About100peoplewerekilled.ItwasAmerica’ssecondstrongestearthquake.T：Butdoyouknowanyfamousearthquakesthathappenedinourcountry？S5：Ofcourse.TheTangshanEarthquakethathappenedin1976.Myfatherexperiencedit，andheoftentellsmeaboutthedeadliestearthquake.T：Canyoutellmewhatmighthappeninanearthquake？YoumaylookatthetwopicturesonPage25.S6：Ifanearthquakehappens，thewholecitywouldcollapse.Thetallbuildingsmightbedestroyed.Theroads，therailwaytracksandsoonwouldbedestroyed.Bridgeswouldfalldown.Waterpipeswouldbebroken.Thenpeoplewouldfacewaterproblem.S7：Inthe1989earthquakeinSanFrancisco，awideandbusyroadwhichwasbuiltlikeabridgeoveranotherroadfellontotheonebelow.Manypeoplewerekilledintheircars，andonlyafewluckyoneswerenothurt.S8：Iftheearthquakecomesatnight，alargenumberofpeoplewouldbekilledortrappedinthehouses.S9：Sometimesduringtheearthquake，bigholeswouldappearintheearth.T：Yes.Youdidaverygoodjob.Yousee，therearelargequantitiesoftallbuildingsinSanFrancisco.Noonecanimaginewhatwouldhappenifanotherbigearthquakehitthecity.Step3DiscussionT：Youknow，anearthquakeisoneoftheterriblenaturaldisasters.Doyouknowanyothernaturaldisaster？Andwhatwillhappenduringthedisasters？Discusswithyourpartner.（Afewminuteslater.）T：NowI’llasksomeofyoutotellusthedisastersyouknow.S1：Floods，hurricanes，tornadoes.S2：Typhoons，drought.T：Verygood.Whatwouldhappeninthesedisasters？3S3：Inaflood，waterwillbeeverywhere.Itwouldwashawaymanythings.Manypeoplewouldbedrowned.Peoplecouldgotostayontallbuildingsoreventheroofs.S4：Ifhurricane，typhoonortornadooccurs，therewouldbeverystrongwinds.Thingswouldbeblowndown.Therewouldbealotoftrafficaccidents.Andthesailorsontheseawouldbeingreatdanger.S5：Duringthedrought，waterisbadlyneeded.Thefarmerswouldhavenowatertoirrigatethecropsinthefields.T：NextIwillexplainthesedisastersandmeanwhileshowyousomepictures.Afloodisthemovementofwateroutofariver，lakeoroceanontoland.Itwasreportedthatin2004atleast100peopleweredeadand83weremissingafterrainstormscausedlandslides（山崩）andfloodsinSouthwestofChina.Ahurricaneisastrongstormwithhighwindsandrain.Theverycenterofthestorm，calledtheeye，iscalm.Atornadoisaviolentlyrotating（旋转的）columnofairthatformsatthebottomofacloudandt