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Onecan’tputbacktheclock.时钟不能倒转。Onthegreatclockoftimethereisbutoneword,“Now.”在伟大的时钟上，只有一个词，就是“现在”1.bebusywith/doing2.catchsightof3.chargeat4.growquiet5.besureofoneself6.bythistime7.oncemore8.feelsorryfor9.beunawareofLet'sreview1.忙于2.突然看见3.向...进攻4.变得安静5.对某人自己有信心6.直到这时7.再一次，多一次8.为…感到遗憾9.没意识到…Topicsfordiscussion•1Describeafamousbuildingyouhavevisitedandtellwhatyouknowofitshistory.•2Whyisitnecessarytohaveaninternationalstandardmeasureoftime?•3Howmanyforeignradiostationscanyougetonyourradio?Whichdoyoulistentomostfrequently?Why?SirBenjaminHall•BigBentakesitsnamefromsirBenjaminHall•whowasresponsibleforthemakingoftheclock•whenthenewHousesofParliamentwerebeingbuilt.•Itisnotonlyofimmensesize,butisextremelyaccurateaswell.•OfficialsfromGreenwichObservatory•[əb'zɜːvət(ə)rɪ]•havetheclockcheckedtwiceaday.•OntheB.B.C.youcanheartheclockwhenitisactuallystriking•becausemicrophonesareconnectedtotheclocktower.•BigBenhasrarelygonewrong.•Once,however,itfailedtogivethecorrecttime.•Apainterwhohadbeenworkingonthetower•hungapotofpaintononeofthehandsandsloweditdown!parliamentTheHousesofParliament•ThebusinessofParliamenttakesplaceintwoplaces,theHouseofCommonsandtheHouseofLords.•Parliamentexiststochallengetheworkofgovernment,approvenewlawsanddebategovernmentpolicyandcurrentissues.observatoryn.天文台observatoryn.天文台RoyalGreenwichObservatory•theBritishnationalobservatory(=aplacewherescientistsstudythestars),whichwasestablishedinthe17thcentury,inGreenwich,SouthLondon,althoughitwasmovedawayfromthereafterWorldWarIIanditisnowinCambridge.•The0meridian[mə'ridiən](=animaginarylinethatdividestheeastpartoftheworldfromthewest)passesthroughthebuildinginGreenwich.英国伦敦著名古钟或称大本钟(BigBen)，是伦敦的传统地标。钟重13.5吨，钟盘直径7米，时针和分针长度分别为2.75米和大本钟4.27米，钟摆重305公斤。大本钟是坐落于英国伦敦的国会大厦的北部的一座大钟其钟楼）。大本钟的著名之处在于它的准确和那重达13吨的巨大的用于报时的铜钟。大本钟是由埃德蒙德·格林斯罗普勋爵设计，并由爱德华·登特及他的儿子弗雷德里克建造的。大本钟在1859年被安装在钟楼上。大本钟是世界上第二大的同时朝向四个方向的时钟。每个钟面的底座上刻着拉丁文的题词，“上帝啊，请保佑我们的女王维多利亚一世的安全。”作为伦敦市的标志以及英国的象征，大本钟巨大而华丽，重13.5吨，四个钟面的面积有两平方米左右。大本钟从1859年就为伦敦城报时，根据格林尼治时间每隔一小时敲响一次，至今将近一个半世纪，尽管这期间大本钟曾两度裂开而重铸。现在大本钟的钟声仍然清晰、动听。自从1859年投入使用后，英国政府每隔五年就要对大本钟实施维护，包括清洗钟体、替换大本钟的报时轮系和运转轮系等。大本钟得名于它在1859年修建时的建造者本杰明爵士(BenjaminHall)，故名“大本”。Lesson71AfamousclockTodaywe'lllistentoastoryaboutthegreatclock,BigBeninthecentreofLondon.Words/phrases单词与词组1parliament['pa:ləmənt]n.议会2erect[i'rekt]v.建起3accurate['ækjurət]adj.准确的4official[ə'fiʃəl]n.官员5Greenwich['grenitʃ]n.格林尼治6observatory[əb'zə:vətəri]n.天文台7check[tʃek]v.检查8microphone['maikrəfəun]n.扩音器9tower['tauə]n.塔checkn/v.检查n.支票GreenwishMeanTime（GMT）格林尼治时间（标准时间）=universaltimeGreenwichn.格林尼治（伦敦郊区）GreenwishMeanTime（GMT）格林尼治时间（标准时间）=universaltimetowern.塔watertower水塔towerbridge塔桥T：Whatdoyouthinkishappeninginthepicture?•Listentothestoryandseeifyoucananswerthisquestion.MasBigBenevergonewrong?Answer：Yes.Once.Practisereading【Readingcomprehension】（）1.BigBenisaveryfamouspersonallovertheworld.（）2.ThegreatclockhadbeenerectedbecausetheHousesofParliamentwasburneddownin1834.（）3.BigBenhaditsnamefromaperson.（）4.Itisverybigbutdidn'tusetotellthetimecorrectly.（）5.BigBenhasrarelygonewrong.6.HasBigBenevergonewrong?Yes.Once.Morequestionsonthetext•1.WhyisBigBensonamed?•IttakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclock.•2.WhyisBigBenextremelyaccurate?•BecauseofficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.•3.WhydidBigBenfailtogivethecorrecttimeonce?•Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!DetailedstudyofthetextWhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadnotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!【短语总结】1.国会大厦2.烧毁3.得名于4.负责5.不但…而且6.非常准确7.与……连接8.出故障9.没能做……10.从事11.一桶油漆12.放慢【Sumupthephrases】1.theHousesofParliament2.burndown3.takethenamefrom4.beresponsiblefor5.notonly…but…aswell6.extremelyaccurate7.beconnectedto8.gowrong9.failtodo10.workon11.apotofpaint12.slowdownFillintheblanksWhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheard_______theworldontheB.B.C.IftheHousesofParliamenthadnotbeen___________in1834,thegreatclockwouldneverhavebeenerected.BigBen___________________SirBenjaminHallwhowas_____________themakingoftheclockwhenthenewHousesofParliamentwere______built.Itisnotonly___immensesize,butis_________accurateaswell.OfficialsfromGreenwichObservatoryhavetheclock_______twiceaday.OntheB.B.C.youcanheartheclockwhenitis_________strikingbecausemicrophonesare_________totheclocktower.BigBenhas______gonewrong.Once,however,it_____togivethecorrecttime.Apaint