相关推荐：
主要内容:
本课主要介绍城市出现的原因以及城市发展的过程以及人们对待城市的态度。通过本课的学习我们应该对城市的历史演变过程有一个概括的了解，掌握城市形成的背景知识，并且能够读懂报纸杂志中相关文章，就有关城市的话题与外国人进行熟练的交流与讨论。
本课主要讲述可美国城市的发展以及美国人对待城市的不同态度.有些美国人认为城市是美国文明的象征，另外一些人却不这样认为，在他们眼中，城市是邪恶的源泉。虽然美国人不喜欢他们居住的城市, 但毕竟四分之三的美国人住在城市.美国人正在为他们的错误态度付出代价。
Words, Expressions and Grammar
Dialogue
the Grand Canyon (美国) 大峡谷
the Nile River 尼罗河
the Calorado River 科罗拉多河
natural wonders 自然奇迹
distinct animals 灭绝动物
the subway system 地铁系统
rush hours ( 交通运输) 拥挤时间, 高峰时刻
How come? Why 为什么.
What a view! 多美丽景色啊。
1. fantastic adj. Wonderful or superb 绝妙的，幻想的
e.g.They had a fantastic trip to Europe.
他们进行了一次美好的欧洲之旅。
He has given us a fantastic idea.
他给我们想出了一个绝妙的主意。
2. tributary n. A stream that flows into a larger stream or other body of water.;subsidiary current
3. mystery n. 谜，难懂的事情
e.g. Who had taken the book? It was a mystery.
谁取走了这本书，还是个谜 .
Its a mystery to me.
我弄不明白
The mystery has been cleared up.
真相已经大白了。
The murder remained an unsolved mystery.
这件谋杀案还没有侦破。
4. bet v. 打赌
e.g.I bet it will rain soon!
I bet they were surprised by the news.
I bet our team will win.
I dont bet on horses.
我从来不赌马。
He bet me ￡ 1 that the school team would win.
他和我赌一美圆校队会赢。
5. seek v. (Sought, sought) 寻找，企图
e.g.seek shelter from rain寻找避雨的地方
seek fame /help求名/求助
I will seek my doctors advice.
我将征求医生的意见。
Water seeks its own level.
水往低处流。
I have never sought to hide my views.
我从不企图隐瞒自已的观点。
6. Cornerstone n. foundation; main factor 基石，基础
e.g.Hard work is the cornerstone of success.
努力工作是成功的基础。
7. feasibility n. possibility 可能性，可行性
e.g.You have to hand in a report on the feasibility of the project first.
你需要先递交一份工程的可行性报告。
8. wear away 磨损
e.g.The inscription on the stone had worn away.
石头上的碑文已经看不清楚了。
The footsteps of visitors had worn away the steps.
台阶已经被参观者的脚步磨损了。
9. date ( back) to ... 从就有了，追溯回
e.g.This statue dates back to 500 B.C.
这座碉像的历史可以追溯到公元前500年。
This statue can trace back to until 500 B.C.
The temple on the top of the hill dates back to the Tang Dynasty.
10. count on. 期望，指望
e.g.So I count on you.
He is a person to count on.
11. depend on 依靠，由决定
e.g.A company cannot always depend on government.
W hether we will visit the Great Wall tomorrow depends on weather.
12. end up结束
e.g.If you continue to steal, you ll end up in prison.
如果继续偷盗，你会坐牢的。