ID: 19140956

新概念英语第三册 Lesson 17 The longest suspension bridge in the world 课件 (共38张PPT)

日期:2025-11-28 科目:英语 类型:初中课件 查看:21次 大小:1423887B 来源:二一课件通
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(课件网) The longest suspension bridge in the world www.themegallery.com Contents 4 Background knowledge 1 2 3 5 Text Explanation Add your text in here Add your text in here Background Knowledge Verrazano Bridge 维拉萨诺大桥 Brooklyn 布鲁克林 Staten Island 史坦顿岛 Hudson river 哈德逊河 Background Knowledge Text The 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 midst of which flowed a great river.' Text Though Verrazano is by no means considered 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. Text The Verrazano 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. Text Two 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. Text Above 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 contains 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. Text However, size and strength are not the only important things about this bridge. Despite its immensity, it is both simple and elegant, fulfilling its designer's dream to create 'an enormous object drawn as faintly as possible'. explanation The longest suspension bridge in the world [ Image information in product ] Image : www. Note to customers : This image has been licensed to be used within this PowerPoint template only. You may not extract the image for any other use. suspension(n.)-suspend(v.): hang 悬,吊 suspend from 悬挂于 eg. Freud Sigmud, an Austrian doctor about whom little was known in 1920s to the Americans, became a world renowned psychologist and was famous for his idea libido. idea [哲] 理念,观念 libido 力比多 ,本能冲动,性欲 explanation Verrazano, an Italian about whom little is known, sailed into New York Harbour in 1524 and named it Angouleme. 1. about whom little is known 定语从句+倒装句 Known about 了解 Know about sb. Sb. is little known about 倒装:Little is sb. known about. whom little is known about about whom little is known 2. sail into 乘船驶入 harbor 海港 Background notes: New York Harbor Perhaps no single monument in the USA is as famous as the Statue of Liberty which stands on a small island in New York Harbor. Most immigrants from Europe now pass through New York city via Kennedy Airport. But for imm ... ...

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