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-1-Unit3BacktothePastWordPower●Teachingobjectives:1.Candevelopthestudents’abilityofusingthetargetlanguageinrealsituation.2.Canenlargethestudents’vocabularybylearningsomewordsaboutarchaeology.3.Canexpandthestudents’knowledgearchaeology.4..Canhelpthestudentsgrasptheuseofsomecommonlyusedpairnounsandgroupnouns.●Teachingmethods:1.Students-centered.2.Teacherandstudents’interaction3.Multimediaway.PartA.TeachthepairnounsandgroupnounsStep1.leadin•Situation:Ann:Isawagroupofpeoplealltrytotakeone•pairofbinoculars.•Jane:Why?•Ann:Allofthemwantedtobethefirsttogeta•closelookatMountVesuviusHelpthestudentstogettheideaaboutpairnounsandgroupnounsbylookingatsomepictures.-2-e.g.apairofsacksaflockofbirdsaherdofhorsesStep2.Labeleachpicture,usinganexpressionincludingawordinthebox.Thensummarizetheuseofpairnouns.•Thewordpairisusedformanythingsthatarefoundintwosorhavetwoparts.Itisplacedinfrontofthepluralformofanoun.Step3.Labeleachpicture,usinganexpressionincludingawordinthebox.Thensummarizetheuseofgroupnouns.•Agroupnounisusedtorefertopeopleorthingsasagroup.•Wecanalsousethewordsfamily,crowdandteamtorefertopeoplewhoappearcollectively.Step4.competition.Nowlet’shaveacompetitionandseehowmuchyouknowaboutgroupnounsandpairnouns?PartB.Learnsomewordsandinformationaboutarchaeology.Step1.Showapictureofafamousarchaeologistandaskquestions.Whoishe?Whatishe?Whereishe?Whatishedoing?Step2.Labeleachpicture,usinganexpressionandwordsandinformationaboutarchaeologyStep3StudentsreadPartAcarefully,payingattentiontothewordinblue.Step4.StudentsreadandfillintheblanksofPartB.-3-Step5.Studentshaveagroupdiscussion•Whichsubjectareyouinterestedin?•WhatareyougoingtobewhenyougrowupStep6.Askthestudentstowriteoutasmanywordsaspossible.Task3.Homework1.Rememberthepairnounsandgroupnouns.2.Previewthegrammar.