新核心大学英语2 Unit 8.ppt

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1、Unit8NaturalDisastersInthisunityouwill:1.learnthatdisastersoccurinmanyforms,andwehumanscantakemeasurestopreventthem;2.familiarizeyourselfwiththewordsandexpressionsrelatedtothethemeoftheunit;3.learntousethesewordsandexpressions;4.learnnewslisteningstrategiesco

2、ncerningthelexicalfeaturesofnewsreports;5.practicelisteningwithothernon-theme-relatedaudioandvideomaterials;6.learntousetheproperexpressionsandsentencestructurestomakecomplaintsLearningobjectivesPartITheme-RelatedActivitiesPartIIListeningStrategyPartIIIExtens

3、iveListeningPartIVCommunicationSkillsPartVAssessmentLogPartITheme-RelatedActivitiesSectionILectureSectionIIScienceReportSectionIIIScienceReport1.Canyounamesomenaturaldisasterswehaveeveryyear?2.Canyougiveanexampleofonememorablenaturaldisasterthathappenedinthep

4、ast?Lead-inquestions:Unit8》PartI》SectionI》Lead-inquestionsWordBankstall/stɔːl/v.使熄火；使失速plume/pluːm/n.羽状物（如烟云,雪尘等）；火山灰erupt/ɪˈrʌpt/v.爆发geologist/dʒɪˈɒlədʒɪst/n.地质学家USGeologicalSurvey美国地质调查局hazard/ˈhæzəd/n.危险；危害物seismic/ˈsaɪzmɪk/adj.地震的eruption/ɪˈrʌpʃən/n.爆发cod

5、e/kəʊd/v.编码Unit8》PartI》SectionI》WordBankUnit8》PartI》SectionI》WordBankphase/feɪz/n.阶段lava/ˈlɑːvə/n.熔岩；火山岩浆avalanche/ˈævəlɑːnʃ/n.雪崩debris/ˈdebriː/n.岩屑；瓦砾NotesUnit8》PartI》SectionI》NotesTheUnitedStatesGeologicalSurvey(USGS)ItisascientificagencyoftheUnitedStatesgo

6、vernment.ThescientistsoftheUSGSstudythelandscapeoftheUnitedStates,itsnaturalresources,andthenaturalhazardsthatthreatenit.Theorganizationhasfourmajorsciencedisciplines,concerningbiology,geography,geology,andhydrology.TheUSGSisafact-findingresearchorganizationw

7、ithnoregulatoryresponsibility.Task1Watchthevideoclipandthendecidewhetherthefollowingstatementsaretrueorfalse.TaskUnit8》PartI》SectionI》Task11.A1989volcanoeruptioncausedallfourenginesofanairplanetostall,whichisjustoneofmanysevereeruptionsrecordedinhistory.2.Res

8、earchersarenowkeepingacloseeyeonover70volcanoesthatcouldpossiblyerupt.(Nobodyhasseenanythinglikeitin9,000years.)FF________(Theyarelookingatabout170thatcouldpotentiallyerupt.)3.GoogleMapsh