新概念英语第三册 Lesson 17 课件 (共38张PPT)

(共38张PPT)
The longest suspension bridge in the world
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Background knowledge
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Explanation
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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
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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.'
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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.
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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.
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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.
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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.
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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
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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 immigrants from Asia ,the gateway to the USA is San Francisco, not New York city.
Pearl Harbor
An important US naval base in Hawaii, Which was suddenly attacked by Japanese planes in Dec.1941.
Many Warships were destroyed and this caused great shock and anger in the US, and made the US start fighting in World War II.
Hiroshima 广岛
A city in Japan, which was destroyed in 1945 during World War II, when a US nuclear bomb was dropped on it, killing many people.
nuclear adj.原子核的，原子能的
nucleus n.细胞核
explanation
He described it as 'a very agreeable situation located within two small hills in the midst of which flowed a great river.‘
describe sth. as 把…… 描绘成
For millions of immigrants, the USA was described as a promising land, but for many others, it was a bitter disillusionment.
promising adj.有前途的 有希望的
disillusionment n.幻灭
illude vt.欺骗 诓骗 置于……幻觉中
illusion n.幻觉
regard sth. as 把……看做
The statue of Liberty was regarded as a symbol of American democracy.
demo n. 1，演示，示威 2，民主党员
democracy n.民主政治 民主国家 民主主义 民众
democratic adj.民主的 民主政体的 民主主义的
<美>民主党的
democratic party 民主党
demonstrate vi.游行示威
address sb as 将……称为（正式）
New York is addressed as a Big Apple.
refer to sth as 管……叫
People who work in offices are referred to as white-collar workers.
appoint sb. as 任命某人为
agreeable adj.令人愉快的 适宜的，宜人的
situation 位置 地点
agreeable situation 地理条件十分适宜
（环境十分宜人的地方）
in the midst of sth 在中间，在期间
in the midst of a period /place
in the midst of Cold War
in the middle of 在位置正中间
in the middle of doing sth 忙于
I’m in the middle of a meeting.
mid- 在中间的
Midsummer Night’s dream 仲夏夜之梦
midday 正午
explanation
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.
explanation
Though Verrazano is by no means considered to be a great explorer
by no means(方式) : not at all 绝对不 根本不
on no account（原因）
On no account can you tell him the truth.
in no way（途径）
In no way should it be seen as a defeat.
in no case (情况)
explanation
his name will probably remain immortal, for on November 21st, 1964, the longest suspension bridge in the world was named after him.
remain vi.依然 留下 保持
n.剩余物，残骸； 残余； 遗迹； 遗体
...the remains of an ancient mosque
一座古清真寺的遗迹
immortal adj.永恒的 不朽的 流芳百世的
n. 神仙 流芳百世的人
immortality n. 不朽，不朽的声名
Eagles are seen as symbols of strength, courage, determination and immortality.
be named after sb.以命名
be after sth.追求
The only thing she is after is fame and fortune.
fame and fortune名利
explanation
The Verrazano Bridge, which was designed by Othmar Ammann, joins Brooklyn to Staten Island. It has a span of 4,260 feet.
join…to… = connect to 连接
span n.跨度
have a span of 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 depth
The hole extends to a depth of 2 m.
The road extends to a width of 5 m.
cover an area of
China covers an area of 9,600,000 square kilometers.
explanation
The bridge is so long that the shape of the earth had to be taken into account by its designer.
take …into account 把…考虑在内
account
n. description 描述
give an account of 描述
He gave us a vivid account of his trip to Paris.
He gave a detailed account of what happened on the fateful night. 他详细描述了那个灾难性夜晚所发生的事
n.账目 存款Accounts are detailed records of all the money that a person or business receives and spends
He kept detailed accounts.他记明细账。
v.解释
This basic utilitarian model gives a relatively unsophisticated account of human behavior.
这个实用的基础模型较为简略地解释了人类的行为。
accounting 会计 会计学 记账
accountant 会计员
teller 柜员
ATM Automatic Teller Machine
explanation
The towers are built on immense underwater platforms made of steel and concrete.
platform 平台
pedestal n.底座 基座
While an American did not create Lady Liberty, the 154-foot pedestal supporting it was designed by…
steel and concrete 钢筋混凝土
immense adj. 极大的 浩瀚的
immensity n. 无限 广大 巨大
enormous giant gigantic
magnificent 伟大的 壮丽的
significant 有重大意义的
explanation
The platforms extend to a depth of over 100 feet under the sea. These alone took sixteen months to build. Above the surface of the water, the towers rise to a height of nearly 700 feet.
extend to a depth 深入 深达
rise to a height 高出 高达
These alone
these 根据上文，中心词是 two towers
explanation
They support the cables from which the bridge has been suspended. Each of the four cables contains 26,108 lengths of wire.
length 根 段
wire 电线 文中翻译成 钢绳
explanation
It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity.
carry sth.’s capacity 承受 什么东西的 承载量的 重量
carry/carrying capacity 承载量
Study on land production potentiality and population carry capacity has strategic significance for the zone.
strategic adj.至关重要的，战略上的
be estimated that 据估计
be said that
be expected that 料想
be predicted that 预言
be assumed that 猜想 假定
be reported that 报道
be packed with 装满，塞满，挤满
The road is packed with crowd.
be teeming with 充满 美好的
Future is teeming with hope.
be crammed with 挤满 塞满
The house is crammed with people.
be stuffed with
The refrigerator is stuffed with food.
I’m stuffed.
explanation
Despite its immensity, it is both simple and elegant, fulfilling its designer's dream to create 'an enormous object drawn as faintly as possible'.
an enormous object drawn as faintly as possible
an enormous object which is drawn as faintly as possible
尽量用细线条勾画出一个庞然大物
draw 勾画
faintly
adv.微弱地 虚弱地 隐约地 有点
despite 尽管
fulfil 完成，实现
fulfil one’s dream 实现梦想
fulfil …destiny 完成宿命
fulfil …hope 实现希望
fulfil … vision（展望，幻想）实现梦想
Background Knowledge
世界上最长的吊桥 日本明石海峡大桥
主跨度约1991米。6,532 feet
杨浦大桥
主跨度约1172米。3,845 feet
Thank You!
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