新概念英语第三册听力材料Lesson-17-The-longest-suspension

新概念英语第三册听力材料Lesson17Thelongestsuspension...Thelongestsuspension

bridgeintheworld

世界上最长的吊桥

Listentothetapethenanswerthequestionbelow.

听录音，然后答复以下问题。

Howisthebridgesupported?

Verrazano,anItalianaboutwhomlittleisknown,sailedintoNewYorkHarbourin1524andnameditAngouleme.Hedescribeditas”averyagreeablesituationlocatedwithintwosmallhillsinthemidstofwhichflowedagreatriver.”ThoughVerrazanoisbynomeansconsideredtobeagreatexplorer,hisnamewillprobablyremainimmortal,foronNovember21st,1964,thelongestsuspensionbridgeintheworldwasnamedafterhim.

TheVerrazanoBridge,whichwasdesignedbyOthmarAmmann,joinsBrooklyntoStatenIsland.Ithasaspanof4,260feet.Thebridgeissolongthattheshapeoftheearthhadtobetakenintoaccountbyitsdesigner.Twogreattowerssupportfourhugecables.Thetowersarebuiltonimmenseunderwaterplatformsmakeofsteelandconcrete.Theplatformsextendtoadepthofover100feetunderthesea.Thesealonetooksixteenmonthstobuild.Abovethesurfaceofthewater,thetowersrisetoaheightofnearly700feet.Theysupportthecablesfromwhichthebridgehasbeensuspended.Eachofthefourcablescontains26,108lengthsofwire.Ithasbeenestimatedthatifthebridgewerepackedwithcars,itwouldstillonlybecarryingathirdofitstotalcapacity.However,sizeandstrengtharenottheonlyimportantthingsaboutthisbridge.Despiteitsimmensity,itisbothsimpleandelegant,fulfillingitsdesigner”sdreamtocreate”anenormousobjectdrawnasfaintlyaspossible”.

Newwordsandexpressions生词和短语

suspension

n.悬，吊

agreeable

adj.宜人的

situation

n.地点，地方

locate

v.位于

immortal

adj.永生的，流芳百世的

Brooklyn

n.布鲁克林（纽约一区名）

Staten

n.斯塔顿（岛）

span

n.跨度

cable

n.缆索

concrete

n.混凝土

suspend

v.悬挂

length

n.根，段

estimate

v.估量