新核心大学英语听说教程3unit 2

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1、Unit2NuclearRadiationInthisunityouwill:1.learnaboutnuclearradiationandtheconsequencesresultingfromanuclearcrisis;2.familiarizeyourselfwiththewordsandexpressionsrelatedtothethemeoftheunit;3.learntorecognizemainideasandunderstandthepurposeofalecture;4.enhancelisteningski

2、llsthroughnon-themerelatedaudioandvideomaterials;5.learntouseproperexpressionsandsentencestructurestogetconferenceinformationfromtheregistrar.LearningobjectivesPartITheme-RelatedActivitiesPartIIListeningStrategiesPartIIIExtensiveListeningPartIVCommunicationSkillsPartVA

3、ssessmentLogPartITheme-RelatedActivitiesSectionIScienceReportISectionIIScienceReportIISectionIIIScienceReportIII1.Areyouexposedtoradiationeveryday?2.Whatisthephysicalprocessofnuclearradiation?Lead-inquestions:Unit2》PartI》SectionI》Lead-inquestionsWordBankproton/ˈprəʊtɒn

4、/n.质子neutron/ˈnjuːtrɒn/n.中子weld/weld/v.接合，焊接uranium/juˈreɪniəm/n.铀fission/ˈfɪʃn/n.裂变CANDU(CanadianDeuteriumUraniumreactor)n.加拿大重水铀反应堆moderator/ˈmɒdəreɪtə(r)/n.减速剂deuterium/djuːˈtɪərɪəm/n.重氢calandria/kəˈlændriə/n.排管式容器coolant/ˈkuːlənt/n.冷却剂Unit2》PartI》SectionI》WordBankt

5、urbine/ˈtɜːbaɪn/n.涡轮机domesticate/dəˈmestɪkeɪt/v.训化ingenuity/ˌɪndʒəˈnjuːəti/n.聪明才智radioactivity/ˈreɪdiəʊækˈtɪvəti/n.放射性lowfrequency低频submerge/səbˈmɜːdʒ/v.湮没opaque/əʊˈpeɪk/adj.不透明的disrupt/dɪsˈrʌpt/v.扰乱offspring/ˈɒfsprɪŋ/n.后代respiratory/rəˈspɪrətri/adj.呼吸的pneumonia/njuːˈm

6、əʊniə/n.肺炎Unit2》PartI》SectionI》WordBankbonemarrow骨髓juggle/ˈdʒʌɡl/v.耍弄mortalityrate死亡率ThreeMileIsland三里岛invariable/ɪnˈveəriəbl/adj.始终如一的Unit2》PartI》SectionI》WordBankNotesUnit2》PartI》SectionI》NotesTask1Watchthevideoclipandthendecidewhetherthefollowingstatementsaretrueorf

7、alse.1.Thenucleiofcertainelements,suchasuranium,arestableandcanbesplitapartintheprocessknownasfission.2.Fissionwilloccurwhenneutronsaremovingtooquickly.3.Deuteriumhasaneutroninitsnucleus.4.Heavywaterismoreeffectiveasamoderatorthanlightwater.5.Anormallyoperatingreactorw

8、illnotleakanyamountofradioactivity.FF________T____T____F____Unit2》PartI》SectionI》Task1TaskTask2Watchthevideoclipforth