Unit3Backtothepast導(dǎo)學(xué)案Learningaims1．TomaketheSsrecitesomewords、phrasesandsentences.2．Tolearntheusagesofsomekeypointsandfinishtherelatedpractice．TeachingproceduresStep1:Keywords1．___________n.文明→____________adj.文明的2．___________adj．不幸的，遺憾的→____________adv．__________opp.幸運的3．___________vi./vt.逃避→___________pt．→_________pp.4．___________vt．裝飾5．___________vt.毀壞，摧毀6．___________adj.商業(yè)的→___________n.商業(yè)7．___________adj富裕的．→____________n.財富8．___________adv.逐漸的→____________adj.9．___________adj.文化的→___________n.文化10．___________n.研究者→__________v.研究Step2:Keyphrases1.作為…而出名___________2．奪取，接管___________3.被活埋___________4.造成破壞________________5．證明是___________6．毀掉，身體垮掉___________7．和…一起___________8.未能做___________Step3:Keysentences1．Nearthecitywasavolcano.2．Manypeoplewereburiedalive,andsowasthecity．3．Itturnedoutthataftertheashcoveredthepeoplewhofailedtofleethecity,theirbodynearlycompletelybrokedownanddisappeared,leavingemptyspacesintheash．4．ItisbelievedtohavebeengraduallycoveredoverbysandstormsfromAD200toAD400.Step4:Presentationandpractice1．destroy(destroyed,destroyed)v．破壞比較destroy,ruin,damage：destroy:多指徹底地、毀滅性地破壞，含導(dǎo)致無用，不能或很難再修復(fù)的意味。ruin:多指因外部原因而受到嚴(yán)重破壞或毀滅，側(cè)重破壞的徹底性；也可用于引申意義，特指抽象意義中珍貴美好的事物。如ruinone’sfuture,ruinone’scareer。該詞做名詞時，注意下列搭配：fallintoruin(崩潰)，beinruins(在廢墟中)。damage:多指對無生命物體的損害，造成降低價值、破壞功能等后果，但仍可修復(fù)?？捎米髅~，常用詞組do/causedamageto。[即時演練](1)Thebuildingwascompletely___________bythefire．(2)Therepairmantriedtorepairthecarwhichwas____________inanaccident．(3)Theearthquakedidalotof___________tothecity．(4)Itrainedfor3days,which___________myholiday．2．takeover接管，接收，接任(takesth．overfromsb.)(1)Heexpectstotakeoverthebusinesswhenhisfatherretires．(2)Wouldyoulikemetotakeoverthedrivingforawhile?【拓展】：takein吸收，欺騙Don’tbetakeninbyhispromisesforheneverrealizesthem．Theyoftendrivetothecountrysidetotakeinthefreshairthere.takeon雇傭，呈現(xiàn)，承擔(dān)ChinahastakenonanewlooksinceitsreformIfeelhonoredtotakeontheroleasavolunteer．Thesupermarkettookonextraworkersduringvacations．takeoff起飛，脫下（衣帽），事業(yè)騰飛Hiscareerhastakenoffsincehegotthefirstgoldmedal．takeup占據(jù)，從事，開始Afterretirementmygrandfathertookupphotographyasahobby．Thehugebedtookuphalfoftheroom’sspace.takedown記下，取下hestudentstookdownwhattheteachersaidinclass．takeback收回（所說的話），退回（某物）Ifyourefusetotakebackwhatyousaid,Iwillneverforgiveyou．takeafter相像Inlooksshetakesafterherfather．他在相貌上和他父親長得很像。3．remainsn．剩余物遺址遺體(1)Shefedtheremainsofherdinnertothecat．(2)Thearcheologistdiscoveredtheremainsofanancientculture．(3)HisremainswereburiedinWestminster．remainvi．遺留、繼續(xù)存在Fewvillagesremainedaftertheflood．。Afterthefire,verylittleremainedofthetemple．remain為系動詞，后接名詞、形容詞、分詞、介詞短語等。(1)Heremainedtheleaderaftertheelection．(2)Theplaceremainswarmallwinter．(3)Heremainedsittingintheclassroomaftertheexamination．3)也可表示留待以后去看、去做、去說等。(