新核心大学英语b版听说教程3-unit-3

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1、Unit3FoodSafetyInthisunityouwill:1.learnaboutfoodsafety;2.familiarizeyourselfwiththewordsandexpressionsrelatedtothethemeoftheunit;3.practiceevaluatingandjudginginformationfromlecturesandlearntounderstanddetails,methodsandattitudes;4.enhancelisteningskillsthro

2、ughnon-theme-relatedaudioandvideomaterials;5.learntouseproperandappropriateexpressionsandsentencestructurestogivepresentations.LearningobjectivesPartITheme-RelatedActivitiesPartIIListeningStrategiesPartIIIExtensiveListeningPartIVCommunicationSkillsPartVAssess

3、mentLogPartITheme-RelatedActivitiesSectionILectureISectionIILectureIISectionIIILectureIII1.Whatdoyouknowaboutfoodadditives?2.Doyouthinkfoodadditivesshouldbetotallybanned?Lead-inquestions:Unit3》PartI》SectionI》Lead-inquestionsWordBankadditive/ˈædətɪv/n.添加剂，添加物d

4、istinction/dɪˈstɪŋkʃn/n.区分ingredient/ɪnˈɡriːdiənt/n.成分，配料substance/ˈsʌbstəns/n.物质compound/ˈkɒmpaʊnd/n.复合物；混合物agent/ˈeɪdʒənt/n.（化学）剂artificial/ˌɑːtɪˈfɪʃl/adj.人工的；人造的；假的texture/ˈtekstʃə(r)/n.口感preservation/ˌprezəˈveɪʃn/n.保存scrutinize/ˈskruːtənaɪz/v.细致审查Unit3》Pa

5、rtI》SectionI》WordBankrestrict/rɪˈstrɪkt/v.（以法规）限制withdraw/wɪðˈdrɔː/v.停止提供；不再给予toddler/ˈtɒdlə(r)/n.学步的儿童；刚学会走路的孩子tantrum/ˈtæntrəm/n.（尤指儿童）耍脾气，使性子susceptible/səˈseptəbl/adj.易受影响（或伤害等）的；mild/maɪld/adj.轻微的adverse/ˈædvɜːs/adj.不利的，有害的MSGmonosodiumglutamate【生化】谷氨酸单钠

6、（治肝错迷药）；味精register/ˈredʒɪstə(r)/n.登记；注册Unit3》PartI》SectionI》WordBankNotesUnit3》PartI》SectionI》Notes1.EuropeanUnionAneconomicandpoliticalassociationofEuropeancountriesformedafterWorldWarIItoreducetradebarriersandincreasecooperationamongitsmembers.2.Erythrosine

7、AlsoknownasRedNo.3.Itischerry-pinksynthetic,primarilyusedforfoodcoloring.3.GreenDye#1Itisakindofsyntheticusedforfoodcoloring.Ithasbeenwithdrawnfromuse.Task1Watchthevideoclipandthendecidewhetherthefollowingstatementsaretrueorfalse.TaskUnit3》PartI》SectionI》Task

8、1Moreandmoreofthefoodwebuynowadayshavebeenprocessedindifferentways.2.Thereisalwaysaclear-cutdistinctionbetweenadditivesandingredients.3.Additivesareediblebythemselves.4.Thereisnoagreement