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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(体

裁)ofit.1.Narration2.Exposition3.Argumentation记叙文说明文议论文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阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张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阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Task4:Readpara.2andfill8Task5:Readpara.2andcompletethetable.DesignerLocationDifficultyofdesigningSpan4,260feetdepthover100feetheightnearly700feetLengthsofwire26,108capacityCarscoveredthewholebridgeisonlyathirdofitstotalcapacity.constructiontowercableplatform

underwaterplatformsmadeof

Clarity（结构清晰）OthmarAmmannBetweenBrooklynandStatenIslandtaketheshapeofearthintoconsideration2greattowersFourhugecablesImmensesteelandconcrete新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Task5:Readpara.2andcompl9Post-reading

Task6:MakeasummaryExpositionabriefoverview:HistoryDetailedinformationStructure:Content:Language:Clarity(清晰)Stressthekeypoints;makeitinteresting.“v.+n.”tomakeitmoredirectandpowerful.新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Post-reading

Task6:Makeas10Task7:Drawapictureofthebridgeaccording

tothedescription.新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Task7:Drawapictureofthe11ShowTime新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）ShowTime新概念三Lesson17阅读写作（共14张12HomeworkWriteanexpositionabout100wordstodescribeEgongyanbridge.新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）HomeworkWriteanexpositiona13Materialyoucanuse:鹅公岩大桥，连接九龙坡区和南岸区，位于重庆市九龙坡区长江九龙滩，与九龙铁路车站和九龙港相邻。于1997年12月开工，总投资概算为14.1亿元人民币。该大桥全长2.7公里，其中正桥长1420米，主桥长1022米，主跨600米。该桥桥型为门型双塔柱悬索桥，主塔高163.9米。2000年建成通车。该大桥连接重庆九龙坡区、南岸区、经济开发区和高新技术开发区四区，对改善重庆的交通网络结构，推动重庆和西部的社会经济发展将起到重要作用。新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Materialyoucanuse:鹅公岩大桥，连接九14Lesson17ThelongestsuspensionbridgeintheworldLesson17Thelongestsuspensi15Lead-in

1.Watch

avideoaboutdifferentbridgesandfigureoutsuspensionbridges.Lead-in

1.Watchavideoabou16Pre-reading

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

1.Whatissuspens172.SeetheListofthelongestsuspensionbridgespans.2.SeetheListofthelongest18While-reading

Task1Readthepassagequicklyandchoosethegenre(体

裁)ofit.1.Narration2.Exposition3.Argumentation记叙文说明文议论文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阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张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阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Task4:Readpara.2andfill22Task5:Readpara.2andcompletethetable.DesignerLocationDifficultyofdesigningSpan4,260feetdepthover100feetheightnearly700feetLengthsofwire26,108capacityCarscoveredthewholebridgeisonlyathirdofitstotalcapacity.constructiontowercableplatform

underwaterplatformsmadeof

Clarity（结构清晰）OthmarAmmannBetweenBrooklynandStatenIslandtaketheshapeofearthintoconsideration2greattowersFourhugecablesImmensesteelandconcrete新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Task5:Readpara.2andcompl23Post-reading

Task6:MakeasummaryExpositionabriefoverview:HistoryDetailedinformationStructure:Content:Language:Clarity(清晰)Stressthekeypoints;makeitinteresting.“v.+n.”tomakeitmoredirectandpowerful.新概念三Lesson17阅读写作（共14张PPT）新概念三Lesson17阅读写作（共14张PPT）Post-reading

Task6:Makeas24Task7:Drawapictur

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