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Lesson17ThelongestsuspensionbridgeintheworldLesson17Thelongestsuspensi1Lead-in

1.Watch

avideoaboutdifferentbridgesandfigureoutsuspensionbridges.Lead-in

1.Watchavideoabou2Pre-reading

1.Whatissuspensionbridge?Asuspensionbridgeisatypeofbridgeinwhichthedeck(theload-bearingportion)ishungbelowsuspensioncablesonverticalsuspenders.Pre-reading

1.Whatissuspens32.SeetheListofthelongestsuspensionbridgespans.2.SeetheListofthelongest4While-reading

Task1Readthepassagequicklyandchoosethegenre(體

裁)ofit.1.Narration2.Exposition3.Argumentation記敘文說明文議論文While-reading

Task1Readthe5Task2Readthetextquicklyanduseyourownwordstoconcludethemainideaofeachparagraph.Para.1:Para.2:ThehistoryMoredetailedinformation(lead-in)Task2Readthetextquicklya6Task3:Readpara.1anddecidewhetherthese

sentencesareTorF.1.VerrazanoisanItalianwhoiswell-known.2.VerrazanodescribedAngoulemeasacomfortableplace.3.Verrazano’snamewillprobablyremainimmortalbecauseheisagreatexplorer.FTFNotwell-knownheisagreatexplorer新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task3:Readpara.1anddecid7Task4:Readpara.2andfillintheblanks.1.Span:It

4,260feet.2.Depth:Theplatforms

over100feetunderthesea.3.Height:Abovethesurfaceofthewater,thetowersnearly700feet.4.Lengthofwire:Eachofthefourcables

26,108

wire.5.Capacity:Ithasbeenestimatedthatifthebridgewerepackedwithcares,itwouldstillonlybe

athirdofitstotal

.Useverbsandnounstomakeyourexpositionmoredirectandobjective.hasaspanof

extendtoadepthofrisetoaheightofcontainslengthsofcarryingcapacity新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task4:Readpara.2andfill8Task5:Readpara.2andcompletethetable.DesignerLocationDifficultyofdesigningSpan4,260feetdepthover100feetheightnearly700feetLengthsofwire26,108capacityCarscoveredthewholebridgeisonlyathirdofitstotalcapacity.constructiontowercableplatform

underwaterplatformsmadeof

Clarity（結(jié)構(gòu)清晰）OthmarAmmannBetweenBrooklynandStatenIslandtaketheshapeofearthintoconsideration2greattowersFourhugecablesImmensesteelandconcrete新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task5:Readpara.2andcompl9Post-reading

Task6:MakeasummaryExpositionabriefoverview:HistoryDetailedinformationStructure:Content:Language:Clarity(清晰)Stressthekeypoints;makeitinteresting.“v.+n.”tomakeitmoredirectandpowerful.新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Post-reading

Task6:Makeas10Task7:Drawapictureofthebridgeaccording

tothedescription.新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task7:Drawapictureofthe11ShowTime新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）ShowTime新概念三Lesson17閱讀寫作（共14張12HomeworkWriteanexpositionabout100wordstodescribeEgongyanbridge.新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）HomeworkWriteanexpositiona13Materialyoucanuse:鵝公巖大橋，連接九龍坡區(qū)和南岸區(qū)，位于重慶市九龍坡區(qū)長江九龍灘，與九龍鐵路車站和九龍港相鄰。于1997年12月開工，總投資概算為14.1億元人民幣。該大橋全長2.7公里，其中正橋長1420米，主橋長1022米，主跨600米。該橋橋型為門型雙塔柱懸索橋，主塔高163.9米。2000年建成通車。該大橋連接重慶九龍坡區(qū)、南岸區(qū)、經(jīng)濟(jì)開發(fā)區(qū)和高新技術(shù)開發(fā)區(qū)四區(qū)，對改善重慶的交通網(wǎng)絡(luò)結(jié)構(gòu)，推動重慶和西部的社會經(jīng)濟(jì)發(fā)展將起到重要作用。新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Materialyoucanuse:鵝公巖大橋，連接九14Lesson17ThelongestsuspensionbridgeintheworldLesson17Thelongestsuspensi15Lead-in

1.Watch

avideoaboutdifferentbridgesandfigureoutsuspensionbridges.Lead-in

1.Watchavideoabou16Pre-reading

1.Whatissuspensionbridge?Asuspensionbridgeisatypeofbridgeinwhichthedeck(theload-bearingportion)ishungbelowsuspensioncablesonverticalsuspenders.Pre-reading

1.Whatissuspens172.SeetheListofthelongestsuspensionbridgespans.2.SeetheListofthelongest18While-reading

Task1Readthepassagequicklyandchoosethegenre(體

裁)ofit.1.Narration2.Exposition3.Argumentation記敘文說明文議論文While-reading

Task1Readthe19Task2Readthetextquicklyanduseyourownwordstoconcludethemainideaofeachparagraph.Para.1:Para.2:ThehistoryMoredetailedinformation(lead-in)Task2Readthetextquicklya20Task3:Readpara.1anddecidewhetherthese

sentencesareTorF.1.VerrazanoisanItalianwhoiswell-known.2.VerrazanodescribedAngoulemeasacomfortableplace.3.Verrazano’snamewillprobablyremainimmortalbecauseheisagreatexplorer.FTFNotwell-knownheisagreatexplorer新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task3:Readpara.1anddecid21Task4:Readpara.2andfillintheblanks.1.Span:It

4,260feet.2.Depth:Theplatforms

over100feetunderthesea.3.Height:Abovethesurfaceofthewater,thetowersnearly700feet.4.Lengthofwire:Eachofthefourcables

26,108

wire.5.Capacity:Ithasbeenestimatedthatifthebridgewerepackedwithcares,itwouldstillonlybe

athirdofitstotal

.Useverbsandnounstomakeyourexpositionmoredirectandobjective.hasaspanof

extendtoadepthofrisetoaheightofcontainslengthsofcarryingcapacity新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task4:Readpara.2andfill22Task5:Readpara.2andcompletethetable.DesignerLocationDifficultyofdesigningSpan4,260feetdepthover100feetheightnearly700feetLengthsofwire26,108capacityCarscoveredthewholebridgeisonlyathirdofitstotalcapacity.constructiontowercableplatform

underwaterplatformsmadeof

Clarity（結(jié)構(gòu)清晰）OthmarAmmannBetweenBrooklynandStatenIslandtaketheshapeofearthintoconsideration2greattowersFourhugecablesImmensesteelandconcrete新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Task5:Readpara.2andcompl23Post-reading

Task6:MakeasummaryExpositionabriefoverview:HistoryDetailedinformationStructure:Content:Language:Clarity(清晰)Stressthekeypoints;makeitinteresting.“v.+n.”tomakeitmoredirectandpowerful.新概念三Lesson17閱讀寫作（共14張PPT）新概念三Lesson17閱讀寫作（共14張PPT）Post-reading

Task6:Makeas24Task7:Drawapictur

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