(共29张PPT)
Lesson 42
North America
Unit 7 Know Our World
同学们, 上一课学习的单词、短语和句型你们都掌握了吗 现在大家来检验一下, 点击下面的音频开始听写吧！
Look at the map. Do you know which continent it is Now let’s learn something about it.
THINK ABOUT IT
What do you know about North America
What do you know about other places around the world
Li Ming wrote a report about North America.
North America is a large continent, but it has only three main countries. Canada is the farthest north. To the south of Canada is the United States. ① The U. S. is north of Mexico. Together, these three countries cover about 24 million square kilometres.
温馨提示：此符号表示“考点精讲点拨”链接。
About 550 million people live in North America. That is a large population, but smaller than that of China. ② The Great Lakes are the largest bodies of fresh water in the world. The Rocky Mountains are the biggest mountains in North America.
Canada is the biggest of the three countries in area, but it has the smallest population—about 35 million. People speak many languages in Canada. Most speak English or French, but the third most common language is Chinese! ③
The U. S. is also a very large country, and its population is much larger than any other country in North America. ④ It has a population of more than 315 million. The U. S. is often called America. People in the U. S. are called Americans. Most Americans speak English, and many speak Spanish. Of course, there are a lot of Chinese speakers in the U. S, too—more than 2 million!
Mexico is smaller than both Canada and the U. S. Most of the people there speak Spanish. It has a population of more than 110 million. Mexican people love their country, but many leave to live and work in the U. S. ⑤ The capital city of Mexico is Mexico City. It is a very big city.
This is map of North America.
1) Listen and answer the questions.
1. Which country has a larger population, Canada or Mexico
2. What’s the third most common language in Canada
3. Which country has the largest population in North America
Mexico.
Chinese.
The U. S.
2) Match the statements with the countries according to the lesson.
Statements
People mainly speak Spanish.
It’s the third there largest country in area in North America.
Over 2 million people speak Chinese there.
It's the farthest north in North America.
It's the largest country in population in North America.
Countries
Canada
America
Mexico
3) Complete the passage with the correct forms of the words in the box.
There are three major countries in North America. They cover about 24 million ________ kilometres. Both in America and Canada, English is the _____________ language, while in Mexico, people speak mostly ________. In the U. S. , over 2 million people ________ Chinese. The population of America is much ________ than that of Canada. Some Mexican people leave their country to ________ and work in America.
square
most common
Spanish
speak
large live square Spain speak common
larger
live
PROJECT REPORT ABOUT CONTINENTS
Which continent of the world interests you Write a report about it.
Don’t forget the following things:
Name the continent’s main cities. What countries are
these cities in
Name its main bodies of water.
Describe the continent's population.
Describe other important facts about the continent.
Does it have any famous mountains Does it have any big lakes or deserts
①To the south of Canada is the United States.
to 表示方位
e. g. Japan is in the east of Asia. 日本在亚洲东部。
考点1
此句是倒装句。
表语
主语
系动词
in表示A地在B地的范围之内。
Japan lies to the east of China.
日本位于中国的东部。
Guangdong is on the south of Hunan.
广东在湖南的南边。
New Zealand lies off the eastern coast of Australia.
新西兰位于澳大利亚东海岸附近。
to表示A地在B地的范围之外，且相隔有一定距离。
on表示A地与B地接壤毗邻。
off表示“离……有一些距离”。
中考在线1: Heilongjiang Province is ________ the northeast of China.
[绥化]
A. to B. in C. on
B
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②That is a large population, but smaller than that of China.
that 作代词的特殊用法
本句中的第二个that 指代前面提到的 population, that 在含有比较级或含有比较意味的句子中, 用来代替前面提到的不可数名词或可数名词单数。
考点2
e. g. The weather in Beijing is warmer than that in Shenyang.
北京的天气比沈阳的天气更暖和。
The number of the students in our school is smaller than that in yours.
我们学校学生的数量比你们学校学生的数量少。
指代the weather
指代the number of the students
拓展: 如果要代替前面提到的可数名词复数, 用 those。
e. g. These machines are better than those we bought last year.
这些机器比我们去年买的好。
指代machines
中考在线2: —How cold here!
—Yes. The weather in Guangyuan is much colder than _______ in your hometown. [广元]
A. that B. it C. this D. those
【点拨】由than 可知是前后两者相比较, “此天气”与“彼天气”相比, 为了避免重复, 后者用that 来代替the weather。
A
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③Most speak English or French, but the third most common language is Chinese!
the+ 序数词+ 形容词最高级 第……最……
e. g. Hainan Island is the second largest island of China.
海南岛是中国第二大岛。
考点3
中考在线3: Among the four seas off the coast of China, East China Sea is the second _______. [广东]
A. deep B. deeper
C. deepest D. the deepest
【点拨】考查最高级的用法。“the＋序数词＋形容词最高级”表示“第……最……”, 结合此搭配可知横线上用最高级。
C
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④The U. S. is also a very large country, and its population is much larger than any other country in North America.
比较级＋ than ＋ any other ＋可数名词单数
e. g. China is larger than any other country in Asia.
=China is larger than the other countries in Asia.
中国比亚洲其他任何国家都大。
考点4
该结构意为“比其他任何一个……都……”，与“比较级＋than＋ the other＋可数名词复数”结构同义，虽为比较级形式，但表示最高级含义。
中考在线4: The glass bridge in Shijiazhuang is _______ than any other one in China. [天水]
A. long B. the longest
C. longest D. longer
【点拨】句意为“石家庄的玻璃桥比中国其他任何玻璃桥都更长”。由句中的“than”可知这里要用形容词long 的比较级longer。
D
返回
⑤Mexican people love their country, but many leave to live and work in the U. S.
leave /li v/ v. (go away from) 离开; 丢下
e. g. When did you leave Shanghai
你什么时候离开上海的
考点5
“leave＋地点”表示“离开某地”。
Next Friday, Alice is leaving for London.
下周五, 艾丽斯要去伦敦了。
Why are you leaving Shanghai for Beijing
你为什么要离开上海去北京呢
“leave for＋地点”表示“动身去某地”。
“leave＋地点＋for＋地点”
表示“离开某地去某地”。
Li Ming left his English book in my house.
李明把他的英语书忘在了我家。
Don’t worry. There is much time left.
不用担心, 还剩下很多时间。
在表示“把某物忘在某地”时，要用leave 不用forget。
中考在线5: —How long is it since he _______ this school
—He ________ for three years. [齐齐哈尔]
A. has left; has left
B. left; has been away
C. leaves; has left
B
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本节课我们主要学习了以下重点内容:
重点单词: leave
重点短语: to the south of及方位名词
the+序数词+形容词最高级+名词Lesson 42 North America
Learning aims:
1. Will/ Would/ Could you please…
2. Learn about the rhythm of the foreign songs.
3. Know more about the world’s geography.
Learning important points:
1. Travel around the world.
2. How to look up words in a dictionary.
3. The way we travel around the world.
Learning difficult points:
Some words and expressions are too difficult for the students.
Learning tools: audiotape, flashcards, a map of the world
Learning steps:
Step 1.Warming Up
Do you want to travel around the world
If you travel to the east from China, where will you get
Let’s travel around the world!
Step 2. Let’s Do It
Make up a dialogue with a partner. Suppose you want to visit a foreign country, but you don’t know which country to go to or how to get there. What can you do when you get there You need help!
Step 3. Listening
Step 4. Reading
Read the new words for the students. Then let them read after the teacher for several times. Now ask them if they have some words that are new to them. Let them talk about the words and guess the meanings together.
Step 5. Practice
Step 6. Homework
1. Finish off the exercises in activity book.
2. Go on the next reading in the student book.
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