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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/??d?t?v/n.添加劑，添加物d
4、istinction/d??st??k?n/n.區(qū)分ingredient/?n?ɡri?di?nt/n.成分，配料substance/?s?bst?ns/n.物質(zhì)compound/?k?mpa?nd/n.復(fù)合物；混合物agent/?e?d??nt/n.（化學(xué)）劑artificial/?ɑ?t??f??l/adj.人工的；人造的；假的texture/?tekst??(r)/n.口感preservation/?prez??ve??n/n.保存scrutinize/?skru?t?na?z/v.細(xì)致審查Unit3》Pa
5、rtI》SectionI》WordBankrestrict/r??str?kt/v.（以法規(guī)）限制withdraw/w?e?dr??/v.停止提供；不再給予toddler/?t?dl?(r)/n.學(xué)步的兒童；剛學(xué)會(huì)走路的孩子tantrum/?t?ntr?m/n.（尤指兒童）耍脾氣，使性子susceptible/s??sept?bl/adj.易受影響（或傷害等）的；mild/ma?ld/adj.輕微的adverse/??dv??s/adj.不利的，有害的MSGmonosodiumglutamate【生化】谷氨酸單鈉
6、（治肝錯(cuò)迷藥）；味精register/?red??st?(r)/n.登記；注冊(cè)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
