英语选修8人教版新课标Unit5第1课时教案（听、说）TheFirstPeriodListening&speakingTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和知识archaeology,accurate,radioactivity,chronological,excavation,identify,alternative,household,datebacktob.交际用语PracticegivingopinionsanddescribingobjectsIthinkthatweshould...because...Isuggestwe...If...,thenmaybeweoughtto...Perhapsweshould/could...Wemustaskforhelpfrom...Whatif...?Itseemslikely/unlikelythat...Itlookslike...Itcouldbe...because...Howlargedoyouthinkitis?Isthereany...onthe...?Itmay/mighthavebeenusedas/for...2.Abilitygoals能力目标Enablethestudentstotalkaboutarchaeologicalevidenceandknowledgeandlearntodescribepeopleandpracticegivingopinions.3.Learningabilitygoals学能目标Helpthestudentslearnhowtogiveopinionsanddescribeobjects.Teachingimportant&difficultpoints教学重难点Learntodescribeobjectsandgiveopinions.Teachingmethods教学方法Listeningandcooperativelearning.Teachingaids教具准备Atapereorder,aprojectorandacomputer.Teachingprocedures&ways教学过程与方式StepⅠLead-inLead-inbytalkingabouttheancientcivilizations.T:Goodmorning,boysandgirls!Youmusthavelearnedhistoryinthepastyears,haven’tyou?S:Yes.T:Haveyoueverheard“FourGreatAncientCivilizations”?S:Yes,theyareAncientChina,AncientGreece,AncientEgyptandAncientIndia.T:Whatdoyouknowaboutthem?S1:InAncientChina,wehave“FourGreatInventions”.Theyarethecompass,printing,gunpowderandpapermaking,ofwhichweareproud,andwhich,inthewordsofRogerBacon,“changedthewholeappearanceandstatusofthingsintheworld.”S2:Chinawasthefirstcountryintheworldtomakepaper.PapermadeduringtheWesternHanDynasty(202BC-16AD)hasbeenfoundinGansuProvince,Xi’anandShaanxiProvinceaswellasXinjiang.AfurtherdevelopmentofpaperwascreditedtoCaiLunoftheEasternHan(25-220).Heusedplantfibersuchastreebark,bitsofrope,ragsandworn-outfishingnetsasrawmaterials.In105,CaipresentedthefirstbatchofpapermadeunderhissupervisiontotheHanemperor,whowassodelightedthathenamedthematerial“MarquisCai’spaper”.S3:Beforepaperwasinvented,theancientChinesecarvedcharactersonpottery,animalbonesandstones,castthemonbronzes,orwrotethemonbambooorwoodenstripsandsilkfabric.Thesematerials,however,wereeithertooheavyortooexpensiveforwidespreaduse.Theinventionanduseofpaperbroughtaboutarevolutioninwritingmaterials,pavingthewayfortheinventionofprintingtechnologyintheyearstocome.S4:TheinventionofgunpowderwasnodoubtoneofthemostsignificantachievementsoftheMiddleAgesinChina.Thecorrectprescriptionformakinggunpowderwithnitre,sulphurandcarbonwasprobablydiscoveredintheninthcentury.S5:Bi’sprintingconsistedoffourprocesses:makingthetypes,composingthetext,printingandretrievingthemovabletypes.AccordingtoDreamStreamEssays,BiShengcarvedindividualcharactersonsquaresofstickyclay,andthenbakedthemtomakeclaytypepieces.Whencomposingatext,heputalargeironframeonapieceofironboardandarrangedthewordswithintheframe.Whileoneplatewasbeingprinted,anotherplatecouldbecomposed.Afterprinting,themovabletypesweretakenawayandstoredforfutureuse.Movabletypeprintinghadaveryimportantpositioninthehistoryofprinting,foralllaterprintingmethodssuchaswoodentype,coppertypeandleadtypeprintinginvariablydevelopedonthebasisofmovableclaytypes.BiShengcreatedmovabletypeprintingmorethanfourhundredyearsearlierthanitwasinventedinEurope.S6:Accordingtoancientrecords,naturalmagnetswereemployedinChinaasdirection-findingdevices.Th...
