新概念第二册64市公开课一等奖百校联赛获奖课件.pptx

L64 The Channel Tunnel 第1页The Channel Tunnel -The worlds longest undersea tunnel第2页 What is Undersea tunnel?An undersea tunnel is a tunnel which is partly or wholly constructed under a body of water.Advantages:Tunneling will generate soil that has been excavatedekskvetid and this can be used to create new land,as was done with the soil of the Channel Tunnel.Travelling through a tunnel is significantly quicker and wont be influence during adverse dv:s weather第3页 Background information英吉利海峡隧道（The Channel Tunnel)又称英法海底隧道或欧洲隧道（Eurotunnel)，是一条把英国英伦三岛连接往欧洲法国铁路隧道，于1994年5月6日开通。是当前世界上最长海底隧道。从1986年2月12日法、英两国签署关于隧道连接坎特布利条约,到1994年5月7日正式通车，历时8年多，耗资约100亿英镑（约150亿美元），也是世界上规模最大利用私人资本建造工程项目。隧道长度50千米，仅次于日本青函隧道。海底长度39千米。单程需35分钟。第4页第5页第6页tunnel n.隧道The Channel Tunnel 海峡隧道The train passed through several tunnels.light at the end of the tunnel 苦尽甘来port n.港口enter/make a port 入港leave/clear a port 出港a free port 自由港eg.Any port in a storm.慌不择路，穷途之策第7页ventilate v.通风well-ventilated 通风良好poorly-ventilated 通风糟糕Our classroom is well-ventilated.ventilation n.空气流通；畅谈put a problem to ventilation提出问题以公开讨论 ventilator n.通风设备；通风口Air the room,please.给房间通通风第8页chimney n 烟囱sweep/clean a chimney清扫烟囱a blocked chimney 堵塞烟囱factory chimneys 工厂烟囱It is said that Santa Claus comes down chimneys at Christmas to bring presents.chimney-sweep n.清扫烟囱第9页sea level 海平面level n.水平，水面1000 meters above sea level 海拔1000米Water always seeks its own level.高度at the level of ones eyes在眼睛高度the level of the water 水位（文化，学问）水准，程度，标准high-level 高级low-level 低级第10页double adj.双a double room 一个双人房a double bed 双人床double chin 双下巴double standard 双重标准adv.两倍地；双倍地pay double 加倍付钱DINK:double income no kid.字母W 读音就是:“double u”意为两个u 组成 w.v.使.增倍He doubled his income in five years.第11页fear v.害怕（be afraid of)fear death/illness 怕死/生病Never fear!=Dont worryfear doing sth.害怕做某事The little boy feared staying alone in the dark.fear to do sth.害怕去做某事She feared to speak in his presense.(有他在场）n.u恐惧；惧怕The soldier didnt show his fear.n.c 畏惧；不安a fear of heights 恐高症第12页fearful adj.可怕a fearful stormadj.害怕，担心The baby is fearful of loud noise.fearless adj.不怕，无畏第13页invasion n.入侵,侵略fear invasion 害怕侵略an invasion of privacy 对隐私侵犯invade vt.侵略invade a small countryinvade sbs rights 权利invader n.入侵者第14页officially adv.正式地Ive been officially invited to the wedding.office n.办公室officer n.军官，（政府）官员official adj.正式，官方 an official decision 官方决定 an official announcement 官方公告 n.官员 government officials 政府官员第15页connect v.连接connect A with B 连接A和Bconnect A to B 把A连到B上去A highway connects the two citys.V.(将电话）接通（给某人）Please connect me with New york.connection n.连接，联络connection between A and B第16页Continent n.洲，大陆The Continent 欧洲大陆The New Continent 新大陆（南北美洲）Asia 亚洲Africa 非洲North America 北美洲South Ametica 南美洲Europe 欧洲 European adj.欧洲Oceania 大洋洲Antarctica 南极洲第17页虚拟语气(非真实条件句)用来表示说话人主观愿望或假想，而不表示客观存在事实，所说是一个条件，不一定是事实，或与事实相反。虚拟语气经过谓语动词特殊形式来表示。1、表示与现在事实相反情况：、表示与现在事实相反情况：从句：If主语主语+过去时过去时(Be动词用动词用were)主句：主语主语+should/would/could/might+do1If I were you,I would take an umbrella.假如我是你，我会带把伞。（事实：我不可能是你）2If I knew his telephone number,I would tell you.假如我知道他电话号码，我就会告诉你。（事实：不知道）第18页2、表示与过去事实相反情况、表示与过去事实相反情况从句：If主语主语+had+done主句：主语主语+should/would/could/might+have done1.If I had got there earlier,I should/could have met her.假如我早到那儿，我就会见到她。（事实：去晚了）2.If he had taken my advice,he would not have made such a mistake.假如他听我劝说话，就不会犯这么错误了。（事实：没有听我话）第19页Exercise1 If you had told me about it earlier,I_(be able)to help you.2If you_(come)with us,we would have been pleased.3You_(not make)such a mistake if you had been more careful.4If father_(be)alive,he would be horrified.5 If it_(be)fine tomorrow,we shall go for a swim.would have been able had comewould not have madewereis第20页 L64 The channel tunnel In 1858,a France engineer,Aime Thome de Gamond,arrived at England with a plan for a twenty-one-mile tunnel under the English Channel.He said that it will be possible to build a platform in the centre of the Channel.This platform would serve as a port and a railway station.The tunnel would be well-ventilate if tall chimneys were builded above sea level.In 1860,a better plan was put forward from an Englishman,William Low.He suggested that a double railway-tunnel should built.This would solve the problem of ventilation,for if a train entered for this tunnel,it would draw in fresh air behind it.Forty-two years later a tunnel was actually began.If,at the time,the British did not feared invasion,it would have been completed.The world had to wait almost another 100 years for the Channel Tunnel.It was officially open on March 7,1994,finally connected Britain to the European continent.Channel TunnelFrenchinwouldventilatedbuiltbybebegunhadopenedconnecting第21页