Unit 4 Breaking boundaries starting out 学案 2022-2023学年高中英语外研版2019高中英语选择性必修第二册

【课题】选2Unit4(1)Breakingboundaries—startingout本节重点Statingout本节难点Wordsandexpressions教学内容教师复案备注学生学习笔迹【温故知新】1．________n．统计数据2．________n．边界，分界线3．tacklev．________4．______adj.极其重要的，必不可少的5．______n．门诊部6．specialistn._______7．wardn．______8．_____adj.共同的；联合的9．libertyn．______10．________adv.完全，全部11．mountv．_________12．communistadj.________【知识展示】1．______vt.帮助；协助；援助→______n．援助；帮助→_______n．助手，助理，售货员2．_______adj.有传染性的→________n．感染→______vt.传染3．________v．为……消毒→________n．消毒；杀菌4．________n．投入；热爱→_______vt.致力于；奉献→_______adj.献身的；忠诚的5．________adj.现实的；实际的→________vt.意识到；实现；实行→_________n．现实6．_______n.少数派,少数→_______adj.较小的,次要的→____n．多数7．____v．选派(角色)；扔；投；掷→____(过去式)→_____(过去分词)8．_________adj.和谐的；和睦的→________adv.和谐地；和睦地→__________n．融洽，一致9．________adj.值得做的；有益的；有回报的→_______n．报酬；资金vt.酬谢；奖赏10．_______adj.公民的；国民的→_______adj.平民的；百姓的；n.平民→_______n．文明11．________n．奴隶→________n．奴隶制度；奴隶身份12．_______n．分开；分裂→________vt.&vi.分割；划分；分配13．_______adv.高尚地；崇高地→_______adj.高尚的；崇高的14．_______adj.有影响的→__________n.&v．影响【课堂检测】Duetotheoutbreakofthenovelcoronaviruspneumonia(NCP),peopleallovertheworldarewearingmasks_____1__(reduce)theriskofinfection.It’saverysimplebutincrediblyeffectivemethodtoprotectoneselffroma__2__(vary)ofharmfulthings.Thefactis__3____maskshavebeenhelpingmankind____4___centuries.Inthefirstcentury,manypeopleinRomanEmpire_____5__(work)undergroundinminestosupporttheirfamilies.Butmostofthemsufferedfromandeveneventuallydiedofrespiratory(呼吸的)illnesses.Toaddressthisproblem,PlinytheElder(23-79AD),____6__Romanphilosopherandnaturalist,recommendedtheuseofanimalbladder(膀胱)skinstostopdustfrombeingbreathedin.Althoughhisideawasprimitive,itwasconsideredtheveryfirst___7___(record)maskinvention.Withseveraloutbreaksofinfectiousdiseasesandtheflu,andtheriseofpollutioncausedbyindustrialwaste,thematerialsinmaskshavecontinuedtoevolveto____8___(well)protecttheirwearers.Forexample,in2012whenChinasufferedfromsmog,maskmodelssuchasN95andKN90,_____9__canfilteroutthisfineparticulate(颗粒)matter,becamehighlypopular.Inthefuture,maskswillcontinuetoimprove,_10_____(hopeful)sowillthehabitsofhumans.1.________2._______3._______4._____5.______6._______7._______8._______9._____10.______【课后练习】Xi’anisalwaysapopulardestinationfortourists.Foraforeigntourist,Xi’anis____1__must-goplaceinChina._2_____（stand）atthecrossingoftheEast,West,South,andNorthavenuesinthecityproper,theBellTowerhasbeenasymbolofXi’an.TheBellTowerfirstlayinthecenterofXi’anCitywhenbuiltin1384.In1582,thecitywentthroughanexpansionsothe____3__(locate)oftheBellTowerchanged.Peoplethenpulleddownthe___4___(origin)belltowerandrebuiltabelltowerinthecenteroftheexpandedcity.Thetowerbaseissquareandit__5____(cover)anareaof1,377squaremeters.Itis8.6metershighand35.5meterswideandbuilt_6_____(complete)withgreenbricks.AstotheBellTower,thereisamagicalfolklegend.IntheMingDynasty,severalearthquakes_____7__(strike)Guanzhongarea,andthousandsofpeopleweredeadorinjured._____8__issaidthatadragonintheriver__9____flowedacrossthecenterofXi’anCitywassoactivethattheearthquakeshappened.AnofficialofXi’angovernmentasked5,000craftsmen____10__(repair)theBellTowerdayandnightinordertousethetowertolockthedragon.AfterestablishingtheBellTower,earthquakesdidnotoccurinXi’anagain.1._______2._______3.________4._______5._______6._______7._______8.________9._______10.______学后思考教学反思得：失：

答案【温故知新】1．statisticn．统计数据2．boundaryn．边界，分界线3．tacklev．处理，对付4．vitaladj.极其重要的，必不可少的5．clinicn．门诊部6．specialistn．专家7．wardn．病房8．jointadj.共同的；联合的9．libertyn．自由10．altogetheradv.完全，全部11．mountv．走上，登上12．communistadj.共产主义的【知识展示】1．assistvt.帮助；协助；援助→assistancen．援助；帮助→assistantn．助手，助理，售货员2．infectiousadj.有传染性的→infectionn．感染→infectvt.传染3．disinfectv．为……消毒→disinfectionn．消毒；杀菌4．devotionn．投入；热爱→devotevt.致力于；奉献→devotedadj.献身的；忠诚的5．realisticadj.现实的；实际的→realizevt.意识到；实现；实行→realityn．现实6．minorityn.少数派,少数→minoradj.较小的,次要的→majorityn．多数7．castv．选派(角色)；扔；投；掷→cast(过去式)→cast(过去分词)8．harmoniousadj.和谐的；和睦的→harmoniouslyadv.和谐地；和睦地→harmonyn．融洽，一致9．rewardingadj.值得做的；有益的；有回报的→rewardn．报酬；资金vt.酬谢；奖赏10．civiladj.公民的；国民的→civilianadj.平民的；百姓的；n.平民→civilizationn．文明11．slaven．奴隶→slaveryn．奴隶制度；奴隶身份12．divisionn．分开；分裂→dividevt.&vi.分割；划分；分配13．noblyadv.高尚地；崇高地→nobleadj.高尚的；崇高的14．influentialadj.有影响的→influencen.&v．影响【课堂检测】Duetotheoutbreakofthenovelcoronaviruspneumonia(NCP),peopleallovertheworldarewearingmasks_____1__(reduce)theriskofinfection.It’saverysimplebutincrediblyeffectivemethodtoprotectoneselffroma__2__(vary)ofharmfulthings.Thefactis__3____maskshavebeenhelpingmankind____4___centuries.Inthefirstcentury,manypeopleinRomanEmpire_____5__(work)undergroundinminestosupporttheirfamilies.Butmostofthemsufferedfromandeveneventuallydiedofrespiratory(呼吸的)illnesses.Toaddressthisproblem,PlinytheElder(23-79AD),____6__Romanphilosopherandnaturalist,recommendedtheuseofanimalbladder(膀胱)skinstostopdustfrombeingbreathedin.Althoughhisideawasprimitive,itwasconsideredtheveryfirst___7___(record)maskinvention.Withseveraloutbreaksofinfectiousdiseasesandtheflu,andtheriseofpollutioncausedbyindustrialwaste,thematerialsinmaskshavecontinuedtoevolveto____8___(well)protecttheirwearers.Forexample,in2012whenChinasufferedfromsmog,maskmodelssuchasN95andKN90,_____9__canfilteroutthisfineparticulate(颗粒)matter,becamehighlypopular.Inthefuture,maskswillcontinuetoimprove,_10_____(hopeful)sowillthehabitsofhumans.1.toreduce2.variety3.that4.for5.worked6.a7.recorded8.better9.which10.Hopefully【课后练习】Xi’anisalwaysapopulardestinationfortourists.Foraforeigntourist,Xi’anis____1__must-goplaceinChina._2_____（stand）atthecrossingoftheEast,West,South,andNorthavenuesinthecityproper,theBellTowerhasbeenasymbolofXi’an.TheBellTowerfirstlayinthecenterofXi’anCitywhenbuiltin1384.In1582,thecitywentthroughanexpansionsothe____3__(locate)oftheBellTowerchanged.Peoplethenpulleddownthe___4___(origin)belltowerandrebuiltabelltowerinthecenteroftheexpandedcity.Thetowerbaseissquareandit__5____(cover)anareaof1,377squaremeters.It