专业英语教案.docx

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1、专业英语教案（其中放假1次，期中习题课1次）Unit1TECTONICS(4课时)（1：Thestructureoftheearth　2：platetectonic3：Earthquakes）一、Wordandphrasecore;mantle;crust地核；地幔；地壳continentalcrust大陆地壳granite;basalt花岗岩；玄武岩sial;sima硅铝层；硅镁层surfacewaves;body..面波；体波epicentre;focus震中；震源lithosphere岩石圈tectonicplate构造板块continetaldrift大陆漂移asthenos

2、phere软流层oceanridge洋脊oceantrench海沟subduction俯冲作用volcanism火山作用foldmountain褶皱山脉fold;fault褶皱；断层sedimentaryrocks沉积岩vent火山口lava熔岩volcaniccones火山锥parasiticcone寄生火山锥plug岩颈volcanicash火山灰二、重点内容1..Withinthecrust,intricatepatternsarecreatedwhenrocksareredistributedanddepositedinlayersthroughthegeologicproc

3、essesoferuptionandintrusionoflava,erosion,andconsolidationofrockparticles,andsolidificationandrecrystallizationofporousrock.2.Thelithosphereisarelativelyinflexibleandbuoyantlayer.Itisthelayerwhichfloatsonthematerialunderneathandasitmovescarriesthecontinentsthatproducecontinentaldrift.1.Thereare

4、threetypesofplateboundaries:Divergent(diverge,divergence)boundaries--wherenewcrustisgeneratedastheplatespullawayfromeachother.Convergent(converge,convergent)boundaries--wherecrustisdestroyedasoneplatedivesunderanother.Transformboundaries--wherecrustisneitherproducednordestroyedastheplatesslideh

5、orizontallypasteachother.1.Earthquakesoccurwhennormalmovementofthecrustareconcentratedintoasingleshockofaseriesofsuddenshocks.一、词汇解释oceanridgescontinentalriftriftvalleyconvergenttrencharcandback-arc-basinsystem transcurrentfaultabyssalintrusionfoldmountainssendimentaryrockUnit2WEATHERING（4课时）(1

6、：Weathering2：Controlsonweathering)一、Wordandphrasemechanicalweathering机械风化chemicalweathering化学风化freeze-thaw冻融pressurerelease卸荷释重limestone石灰岩hydrolysis水解作用quartz石英hydration水合作用oxidation氧化作用alluvium冲击层gravel砂砾denudation剥蚀作用precipitation降水climaticzone气候带mid-latitude中纬度semi-arid半干旱tropicalwet-dry热带干

7、湿季气候watershed分水岭drainagebasin流域regolith风化层二、重点1.Thedisintegration(breakingintoparts)ofrockthattakesplaceatornearthesurfaceoftheearthiscalledweathering.2.PHYSICALWEATHERINGItoccurswhenaforceisappliedtorock,causingittodisintegratein