人教版高中英语教案必修二Unit4WildlifeprotectionPeriod4L

1Period4ListeningTheGeneralIdeaofThisPeriod：Thisperiodaimsattrainingstudents’twoskills—understandinggeneralideaandgettingdetailedinformationbygettingfamiliarwithtonesandintonationinspokenEnglishandwritinganwell-organizedletterabouthowtosolveaspecificproblem.Studentscanimprovetheseskillsbylistening，writingandfinishingtherelativeexercises.Alsointhisperiodstudentscanmeetthethemeofthisunitagain.TeachingAims：1.MakesurethestudentsknowtheusageoftonesandintonationinspokenEnglishandgraspthemethodsofgettingthegeneralideaanddetailedinformation.2.HelptheSslearnhowtoorganizealettertosavetheendangeredanimaldodo.TeachingImportantPoints：1.MakesurethestudentsknowtheimportanceoftonesinspokenEnglish.2.Enablethestudentstoorganizealetterintheproperandefficientway.TeachingDifficultPoint：Howtowritealetterinthecorrectway.TeachingMethods：1.Listening-and-answeractivitytomakethestudentsknowtheimportanceoftonesinspokenEnglish.2.Practicetoimprovethestudents’writingability.TeachingAid：Ataperecorderandaprojector.TeachingProcedures：Step1RevisionT：Goodmorning，boysandgirls!LastclassIaskedyoutopreparethedescriptionofdinosaursandMiludeeranddodos，sonowIwillasksomeofyoutohaveatry.Anyvolunteers?S1：Dinosaurslivedontheearthlongbeforehumanscameintobeing.Thereweremanydifferentspeciesofthem，ofwhichararenewonewasabletorunaswellasclimb.Thereasonsfortheirdyingoutarenotsure.Maybebecauseofalargerockorduetothehotweather.S2：Dodoslivedontheearthlonglongago.TheylivedonanislandcalledMauritius.Theywerecuriousandkindheartedandquitedifferentfrommostoftheanimalsthere.Theywerebirds，buttheywerelargeandonlyhadsmallwings.Theirfavoriteactivitywastowanderalongthebeachandwaittilltheinsectswerereadytobeeaten.S3：MiludeerusedtobecommoninChina.Theylivedtogetherandlivedongrass.Butasaresultofhunting，theydisappearedfromChinalater.Luckily，someweretakentoBritainbeforethat.SoChinesegovernmentcanbringbacksome.NowtherearemoreandmoreMiludeerinChina.T：Everyonehasdoneaverygoodjob!Step2BrainstormingabouttonesinspokenEnglish（Teacheraskstwostudentstoanswertwoeasyquestions，thenexpressgratitudeusingdifferenttones.Oneis”Thankyou↘”.Theotheris“Thankyou↗.”）T：Well，justnowIsaid“Thankyou”，doyoufindsomedifferences?2Ss：Youusedifferenttones.T：Good.Inthefirstone，thefallingtoneshowsthatIamverygrateful.Butinthesecondone，therisingtonemeansthatiswhattheSshoulddoandIwasnotreallygrateful.T：InspokenEnglish，tonesareusedtoexpressdifferentfeelings.Tounderstandhowthespeakerisfeeling，listenforfourmainthings：thevolumeofthelanguagearisingorfallingtonestressoncertainwordspausesinthesentencesStep3ListeningforgeneralideaT：OK，nowwearegoingtolistentothestoryaboutanotheranimalnameddodo.PleasehavealookatthepictureonP31.Whatdoesitlooklike?Ss：Itlookslikeaduck.It’sverylarge.T：Whataboutitswings?Aretheyverylargetoo?Ss：No，itswingsareverysmall.T：Canitflyhighintheskyeasily?S1：Idon’tthinkitcaneasilyflyhighinthesky.T：Doyouagreewithher?Ss：Yes.T：Sowhatmightbeitsproblem?S2：Itcanonlywalkonland.Andwhenthereisananimalattackingit，itcan’tescape.T：Youmightberight.Let’slistenandsee.Asforthefirsttime，youdon’thavetounderstandeveryword.Youcanignorewhatyoudon’tunderstandandconcentrateonwhatyoucanunderstand.NowpleaseopenyourbooksandturntoPage30togothroughtheEx.2andtrytopredictwhatmighthappentododo.（Twominuteslater）T：Whathappenedtododo?Ss：Itdisappeared.T：Right.ChecktheanswerstoEx.2andgetsomeSstotellthemistakesintheotherchoices.Step4ListenfordetailedinformationGettheSstolistentothetapeagainandfillintheblanks.OnceuponatimeIlivedontheearthtoo.Iwascalled“dodo”.Myhomewasan______calledMauritius.Iwas______and______andquite______frommostoftheanimalsthere.Ilikedtomakefriendswiththeotheranimalsandnever______.Ihavenoenemies.Wewerebirdstoo，butwewerelargeandonlyhadsmall______.Myfavoriteactivitywasto______alongthebeachandwaittilltheinsectswerereadytobeeaten.GettheSstodiscusstheanswersinpairsandthenchecktheanswerstoblanks（Suggested3answers：island，curious，kind-hearted，different，quarreled，wings，wander）andEx.1（CDBC）.Getthemtotellthereasonsfortheirchoices.Step5FurtherPracticeT：Afterwelearnthestoryaboutthedodo，weshallagainknowtheimportanceofprotectingourenvironment.Infacttoprotectourearthistoprotectourselves.Nextweshalllistentoonemorestoryabouthumanbeingsandtheirenvironment.PleaseturntoP62.Listenforthefirsttimeandgetthegeneralidea.（Afterlisteningforthefirsttime）T：Whatisthemainideaofthestory，doyouthink?S1：It’sabouthowafarmerimprovedhisemptylandandmadehisfarmmorebeautiful.T：Goodjob.GettheSstolistenforthesecondtimeandtrytofinishEx.1onP62.（AftertheSs’listeningforthesecondtime）Getthemtodiscusstheanswersingroupsoffourandthenchecktheanswerstogether.Atlastlistentothetapeforthelasttimetochecktheanswers.ListenforthethirdtimeandfinishEx.1.Step6SummaryandHomeworkT：Inthisclass，wehavelearnedtheimportanceoftonesinspokenEnglish，howtofindoutthegeneralideaandthedetailedinformation.Afterclass，youshouldgoonlisteningtomorematerialsandtryalleffortstomakeyourearssharp.That’sallforthisclass.Classisover.Homework：SurftheinternettofindmoreinformationabouttheendangeredanimalsinChinaandthinkofso