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1、Unit 17the longest suspension bridge in the world 世界上最长的吊桥世界上最长的吊桥.Background KnowledgeVerrazano Bridge 维拉萨诺大桥Brooklyn 布鲁克林Staten Island 史坦顿岛Hudson river 哈德逊河LOGO悬索桥悬索桥(吊桥吊桥)（suspension bridge)v指的是以通过索塔悬挂并锚固于两岸指的是以通过索塔悬挂并锚固于两岸(或桥两端或桥两端)的缆索的缆索(或钢链或钢链)作为上部结构主要承重构件的桥作为上部结构主要承重构件的桥梁。梁。vBasic words to de
2、scribe the suspension bridge span 跨度(n)cable 缆索 concrete n.混凝土 suspend v.悬挂 length n.根，段 tower 索塔LOGONew words and expressions vSuspension(n.)Suspend(v.)be suspended from 悬挂于悬挂于eg:The bridge has been suspended from the cables The light is suspended from the ceiling.suspense(n.):担心、挂念、悬念担心、挂念、悬念suspe
3、nders vAgreeable adj.宜人的宜人的eg:Today is agreeable agreeable situation.Situation n.地点，地方地点，地方situate vt.使位于，使处于Locate v.位于 location n.地点，位置；（电影的）外景拍摄地；定位；（计算机内存里的）地址 Beijing is located in the North of China.stand in/lie there be Immortal adj.永生的，流芳百世的Brooklyn n.布鲁克林Staten n.斯塔斯塔顿Span n.跨度Cable n.缆索Con
4、crete n.混凝土Suspend v.悬挂Length n.根，段Estimate v.估估计-Underestimate 低估/Overestimate 高估-At a rough estimate,the car is worth 500 thousand RMB.粗略的估计以下 Estimation n.判断=judgement=judgment n.审判,判决-in my estimation=in my view=in my opinion在我看来Capacity n.承受量（容量,生产量,接受力）-Are you clear about the capacity of the
5、cinema?Capability n.潜在的能力潜在的能力have capability to do/have capability of doing-Every child has capability to study a foreign language.Faculty n.先天的智能或能力Competence n.胜任工作的能力、资格-I have competence for this job.Immensity n.巨大巨大Elegant adj.优美别致的Elegant 还表示人的举止很得体、大方-The lady is elegant./elegant behavior Gr
6、aceful adj.优美的（强调一个人的体型优美）Delicate adj.精巧的,精致的Faintly adv.微细地TextThe longest suspension bridge in the world Verrazano,an Italian about whom little is known,sailed into New York Harbour in 1524 and named it Angouleme.He described it as a very agreeable situation located within two small hills in the
7、midst of which flowed a great river.language points1.knowneg:He is little known as an artist.Ive known David for 20 years.总结：adj已知的，出名的well-known 出名的着名的知名eg:It is well-known that China has many beautiful places.众所周知氯氟烃会破坏臭氧层。It is widely known that CFCs can damage the ozone layer.As we all know,Chin
8、a has the largest population all over the world.As is known to all,the panda is in danger of becoming extinct.know v 知道 了解 know about 短语：be known asbe known for eg:Boulding was known for his biting wit.习题演练习题演练1.And it is the single most important part in Scotlands best (know)whiskey.2.It is well-kn
9、own what a person eats cause changes in the body.3.is known to all,China is a developed country.n.名字，名称；名声，名誉；v.命名，给取名；说出的名称，eg:Where in the name of Heaven have you been?in the name of 以.名义named adj.命名的；指定的，被指名的;v.命名；称呼，叫出的名字It was named after its inventor.named after 以.命名agreeable/pleasant eg：We sp
10、ent a most agreeable day together.adj.愉悦的，讨人喜欢的；欣然同意的；可接受的disagreeable adj.不愉快的；厌恶的；不为人喜的；难相处的；脾气坏的eg:I m afraid it will be too disagreeable to you.be disagreeable to sb 不合.意agree eg:Im inclined to agree with you.Nobody knows why he agrees to go there.The two sides didnt agree on the date of meeting
11、.However,they agree that it may take hundreds of years to finish the project.习题The deal must be （agree）to both sides.How is your program getting along?-Jack Ma agreed (help)us,but he has changed his mind.Can we agree the price?She agrees we can finish early.TextThough Verrazano is by no means consid
12、ered to be a great explorer,his name will probably remain immortal,for on November 21st,1964,the longest suspension bridge in the world was named after him.mean用法用法1.We mean (call)on you tomorrow.2.I mean you (work)as our spokeman.3.The sign means the road is blocked.4.This remark no means should be
13、 taken lightly.mean 1.表示.意思2.意味着3.你做.是什么意思4.打算 5.有重要性mean to do mean doing mean thatwhat do you mean by.?meant consider Lets consider this point further.He refused to consider the future.Who do you consider(to be)responsible for the accident?Why not consider doing it in a different way?TextThe Verra
14、zano Bridge,which was designed by Othmar Ammann,joins Brooklyn to Staten Island.It has a span of 4,260 feet.The bridge is so long that the shape of the earth had to be taken into account by its designer.design eg:This test is specially designed for those who want to come to China.Project Hope is des
15、igned to help those children who drop out of school because of proverty.Whether this happened by design or by chance is still unknown.by design=on purposedesign n 设计设计 v 设计设计designer n 设计师设计师design sth for 为.设计某物 be designed for 为.设计be designed to do sth 旨在做习题The Silence Machine is specially designe
16、d （stop）the unwanted sound from influencing you.2.The most famous (design）are Chinese,so are the models.The wheelchairs are designed people who are unable to walk.I am terribly sorry to say that I have hurt your feelings,but I didnt do it design.习题习题1.In order she could catch the first bus,she get u
17、p very early.2.Bring it closer so I can see it more clearly.3.We must stury hard so as/in order to realize (realize)our dreams.4.It was noisy in the hall that we couldnt hear what the tour said.5.It is so good a book Id like to read it again.6.There are few guests that the host felt very sad.7.There
18、 are much snow on the road that the cars couldnt move fast.8.It is a heavy box that I cant lift it.9.Tom made rapid progress the he was praised by his teacher.shape Kevins birthday cake was in the shape of a heart.After the operation,Lucy was out of shape and became tired easily.Xiao Bo is looking f
19、or an exercise app to help him get in shape.in shape 状况良好，在形状上in good shape 健康状况良好in bad shape 健康状况糟糕keep in shape 保持健康in the shape of 以.形式out of shape 变形accountLaura need an app that will add money to her bank account.I would like to open an account during my stay here.The meeting was accouted succ
20、essful.They had to take account of every possibility when they drew up the plan.On no account should the house be left unlocked.accout n 账户 描述 ，v 视为take sth into account=take account of sth 对.加以考虑on no account 绝不explanationThe Verrazano Bridge,which was designed by Othmar Ammann,joins Brooklyn to St
21、aten Island.It has a span of 4,260 feet.jointo =connect to 连接连接span n.跨度have a span of 横跨横跨 It has a span of 4,260 feet.It is 4,260 feet long.有多长rise to a height 拔地而起 高耸 屹立 Everst rises to a height of 8,848 m.extend to a depthThe hole extends to a depth of 2 m.The road extends to a width of 5 m.cove
22、r an area ofChina covers an area of 9,600,000 square kilometers.TextTwo great towers support four huge cables.The towers are built on immense underwater platforms made of steel and concrete.The platforms extend to a depth of over 100 feet under the sea.These alone took sixteen months to build.suppor
23、t.支持，拥护，；支撑，承受（人或建筑物等的重量）；供养n.支持，拥护；帮助，援助；赞助，资助；支撑物，支柱；in support of 支持以便支持为了支持拥护support oneself 养活自己振作精神support for 支持对的支持对的支持TextAbove the surface of the water,the towers rise to a height of nearly 700 feet.They support the cables from which the bridge has been suspended.Each of the four cables co
24、ntains 26,108 lengths of wire.It has been estimated that if the bridge were packed with cars,it would still only be carrying a third of its total capacity.TextHowever,size and strength are not the only important things about this bridge.Despite its immensity,it is both simple and elegant,fulfilling
25、its designers dream to create an enormous object drawn as faintly as possible.strengthShe has a remarkable inner strength.Everyone has his strengthes and weaknesses.strength n 力量，力气，毅力 优点（可数）strong adj strengthen v 加强First you need to evalute(评估)yourself，your value,your (strength)and your weaknesses.Write a poem about how courage and （strong）have helped you face challenge in your life.L/O/G/OThank You!w w w.t h e m e g a l l e r y.c o m