河北加拿大版初中英语--Lesson 50

Lesson 50:
[00:03.08]North America
[00:06.14]How big is North America?
[00:10.50]The continent covers about 24 million square kilometres.
[00:17.03]It is north of South America!
[00:21.16]What countries are in North America?
[00:25.73]The major countries of North America are Canada,the United¹ States and Mexico.
[00:34.19]In area,the biggest country is Canada.
[00:39.24]In population,the biggest country is the United States.
[00:45.48]People in the U.S.call their country America.
[00:51.51]How many people live in North America?
[00:56.06]More than 400 million people live in North America.
[01:02.82]What languages do they speak?
[01:06.66]English is the main language of Canada and the United States.
[01:12.83]Canada has two official languages:English and French.
[01:19.78]Spanish is spoken in Mexico.
[01:24.14]Many Americans speak Spanish,too.
[01:28.97]What are the main geographical² features of North America?
[01:35.01]The Great Lakes are the largest bodies of fresh water in the world.
[01:41.46]The Mississippi Missouri river is the longest river in North America,
[01:48.90]and the fourth longest river in the world.
[01:53.55]The Rocky³ Mountains are the biggest mountains in North America.
[01:59.61]What are the biggest cities?
[02:03.27]The biggest cities in North America are New York City,
[02:09.04]Mexico city and Los Angeles
[02:14.01]Will you please show me New York on this map of North America?
[02:19.96]Certainly.New York is famous!The Statue of Liberty⁴ is in New York.
 

1 united   

adj.和谐的；团结的；联合的，统一的

参考例句：

• The whole nation is closely united.全国人民紧密团结。
• The two men were united by community of interests.共同的利益使两个人结合在一起。

2 geographical   

adj.地理的；地区(性)的

参考例句：

• The current survey will have a wider geographical spread.当前的调查将在更广泛的地域范围內进行。
• These birds have a wide geographical distribution.这些鸟的地理分布很广。

3 rocky   

adj.岩石的，像岩石的；多岩石的

参考例句：

• She drives carefully up the rocky lane.她驾车小心地从这条很多石头的小路上驶过去。
• There is only one port along this rocky coast.这个多岩石的海岸只有一个港口。

4 liberty   

n.自由，自由权；冒昧行为

参考例句：

• He stood for the cause of liberty and justice.他为自由和正义的事业而奋斗。
• You are at liberty to do as you please.你可以随意行事。