【精品】高中英语（人教大纲）第二册上：Unit10 Frightening nature(第二课时)VIP免费

TheSecondPeriodTeachingAims:1.Learntheusefulwordsandexpressions:drawone'sattention,athand,callfor,urge,uponarrival,calmdown,lightup,inapanic,morethan2.Learnthetext“UndertheVolcano”andmasterthedetailedinformationinitTeachingImportantPoints:1.Howtoimprovethestudents'readingability.2.Trytomastertheusagesofthenewwordsandexpressionsofthisperiod.TeachingDifficultPoint:TheusaGesofsomewordsandexpressionsTeachingMethods:1.Fast-readingtogetthestudentstograspthemainideaofthetext.2.Readingcarefullytogetthestudentstomasterthedetailedinformation.3.Pairworkorgroupworktomakethestudentsbeactiveinclass.TeachingAids:1.acomputer2.ataperecorder3.aprojectorTeachingProcedures:StepIGreetingsandRevisionGreetthewholeclassasusual.T:Inlastperiod,twostudentsdescribedafrighteningsituation.Doyouremember?Ss:Yes.T:Whatisitabout?Ss:It'saboutacobra.Itisfrightening.T:Whowillgiveusanotherexample?SAandSBWewilltry.(A:Studenta;B:Studentb)A:Areyouafraidoflightening?B:Notvery.Whataboutyou?A:Whenlighteningappears,I'mnotfrightenedifI'mathomeoratschool.ButifIamintheopenair,itisadifferentmatter.B:Pleasetellusyourexperience,willyou?A:Yes.ThatwaswhenIwasseven.Welivedinthecountrysidethen,youknow.Oneafternoon,whenIwasinthefieldwithmymother,therewasanincreaseinthewinds.Wehurriedhomebutthatwastoolate.Onourwayhome,thecloudsgatheredandthewindsincreasedtoastorm.Itbecamedarkeranddarker.Suddenlytherewasthunderandlightening.B:Whatwasitlike?A:Firstcametheterriblelightening.Itwasverybright.EverythingaroundmeandImyselfappearedtobewhite.Thencamethethunder.Crack!Itseemed用心爱心专心1thatsomethingexploded.That'stheterriblesoundI'veeverheard.Iwasfrightenedtodeathandthrewmyselfintomymother'sarms.Shegotintoatotalpanic.Carryingmeonherback,sheranasfastasshecould.Later,weheardthatthelighteningstruckatalltreeandsomeofthebranchesburnt.B:That'sterrible.I'mfrightenedtohearthat.StepIIPre-readingT:PleaseopenyourbooksatPage75,Pre-reading.ReadtheinformationinPart1andhaveadiscussionwithyourpartner.Thenwe'llasksomestudentstotalkaboutit.(Afterafewminutes'discussion.)T:Whocantellussomethingaboutthepictures?Sc:ThisterriblestoryhappenedinItalyintheyear79AD.Thevolcano'snameisVesuvius.Itwasquietforhundredsofyearsandthenitsuddenlyerupted.ThesecondpictureisthevolcanoVesuvius.Inthepictureitwaserupting.SD:Ithinkthefirstpictureshowsusaterriblesceneafterthevolcanoerupted.Itissaidthatthewholecitywasburiedunderthemetresofhotashandmud,and3000peoplewerekilled.Butsince1914,therehasnotbeenanydamage.SE:Inthethirdpicture,wecanseetherelicsofthatcity.Ifwasexcavatedalongtimeagoandnowitisanaturalculturalrelics.Peoplecangotoseetherelicsofthetowns.PompeiiandHerculaneum,andevengotothetopofthevolcanotovisitit.T:Doyouknowwhichcountryhasthemostvolcanoes?SF:PerhapsJapan.T:Doyouknowwhatmakesvolcano?Whocantellussomethingaboutit?SG:I'lltry.Asweknow,theinsideoftheearthisvery,veryhot.There,therockhasbecomeliquid,anditisalwaysboiling.Thehotmeltedrockalwaystriestogetout,liketheboilingwaterandthesteam.Insomeplacesthehardshelloftheearthisweakandthin.Itwillburstthrough.Somevolcanoescanbequietforsomeyears,evenhundredsofyears.StepIIIReadingT:Quiteright.Someofthestudentsknowquitealot.Weshouldlearnfromthem.Nowreadthetextfastandfindtheanswerstothequestionsonthescreen.WriteyouranswersonapieceofpaperandI'llcollectthefirstfivepieces.(Teachershowsthefollowingonthescreen.)用心爱心专心2Scanthetext...