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(共47张PPT)
Unit 7
What’s the highest mountain in the world.
Section A (1a-2d）
1.能够听懂谈论“自然地理之最”的对话内容，并掌握物体长宽高及面积的表达等。
2.能够掌握大数字的读法，并运用大数字和比较级、最高级谈论“自然地理之最”。
3.通过反复听, 能以角色扮演的形式，用正确的语音语调运用所学句型进行对话。
Learning
goals
4.能够了解我国和世界的一些“自然地理之最”，并通过对比加深对祖国的了解和热爱。
Do you like traveling around the world
Do you know them Which is the biggest continent in the world
Asia/'e /
亚洲
Europe/ j r p/
欧洲
Africa/' fr k /
非洲
Oceania
/ si ɑ ni /
大洋洲
South America
南美洲
North America
北美洲
Asia is the largest continent.
Let’s enjoy the beautiful scenery.
What's the name of the mountain
Qomolangma
Do you know about Qomolangma
It has long been a dream and target of many mountain climbers.
It's between Nepal and China.
It's the highest mountain in the world.
Do you know how high Qomolangma is
It's about 8844.43 meters high.
Pre-listening
Let’s enjoy the beautiful scenery.
What's the name of the river
the Nile
Do you know about the Nile
It has two main branches （主要的支流）.
It's the longest river in the world.
All of the branches flow into the Mediterranean Sea.
Do you know how long the Nile is
It's about 6,671 kilometers long.
Pre-listening
Let’s enjoy the beautiful scenery.
What's the name of the lake
the Caspian Sea
Do you know about the Caspian Sea
It's surrounded（包围）by five countries.
It forms 40 to 44% of the total lake waters of the world.
It's the largest land-locked（内陆）body of water on the earth.
Do you know how deep the Caspian Sea is
It's about 1,025 meters deep.
Pre-listening
Let’s enjoy the beautiful scenery.
What's the name of the desert
the Sahara
Do you know about the Sahara
It covers more than one fifth of the Earth's land.
It's on the African continent.
It's the biggest hot desert.
Do you know how big the Sahara is in its size
It's about 9,600,000 square kilometers in size.
Pre-listening
Pre-listening
How to read the large numbers
9,600,000
1,025
6,671
8,848.86
百
百万
千
十亿
two billion and sixty-five million, six hundred and nine thousand, nine hundred and eighty point three four.
点
billion
million
thousand
hundred
point
2, 065, 609, 980. 34
billion
million
thousand
point
three four
and
Pre-listening
小窍门
自右向左三逗分；
一逗千(thousand)
二逗百万(million)
三逗十亿(billion)
左右三位分开读；
百位十位and连。
这种方法你喜欢？
读时，将每三位数看做一个单位，自右向左依次为thousand千，million百万，billion十亿。
每个单位按百、十、个位向右读。
其中百位到十位之间要加入 and。小数点读point。
How to read the large numbers
Pre-listening
7,742.33
1,390,000,000
3,563,129
2,000,060,000
three million, five hundred and sixty-three thousand, one hundred and twenty-nine.
one billion, three hundred and ninety million.
seven thousand, seven hundred and forty-two point four three.
two billion and sixty thousand.
Can you read the large numbers
Pre-listening
9,600,000
1,025
6,671
8,848.86
six thousand, six hundred and
seventy-one.
one thousand and twenty-five.
nine million, six hundred thousand.
eight thousand, eight hundred
and forty-eight point eight six .
Try to read them.
Pre-listening
How high is Qomolangma
It's 8,844.43 meters high.
How deep is the Caspian Sea
It's 1,025 meters deep.
How long is the Nile
It's 6,671 kilometers long.
How big is the Sahara
It's about 9,600,000 square kilometers in size.
Conclusion: 询问长、宽、高、深、面积的表达方法
问句：_____ + _______________________________________+ ___+____
答句一：____ + ___ + ______ + ______ + __________________________。
How
形容词 (long / wide / high / deep / big …)
be
主语
主语
be
基数词
单位词
形容词 (long / wide / high…)
How to ask and answer
Pre-listening
It's 8,844.43 meters in height.
It's 1,025 meters in depth.
It's 6,671 kilometers in length.
Expansion
wide的名词形式为width
It's 8,844.43 meters high.
It's 1,025 meters deep.
It's 6,671 kilometers long.
It's about 9,600,000 square kilometers in size.
Conclusion: 询问长、宽、高、深、面积的表达方法
问句：_____ + _______________________________________+ ___+____
答句二：____ + ___ + ______ + ______ + ____+_____________________。
How
形容词 (long / wide / high / deep / big …)
be
主语
主语
be
基数词
名词 (size / length / …)
单位词
in
How to ask and answer
Pre-listening
Match the facts you know.
1a
Qomolangma about 9,600,000 square kilometers in size
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,844.43 meters high
Pre-listening
Predict and try to complete the sentences in 1b.
1. Qomolangma is _______ than any other mountain in the world.
2. The Sahara is ____________ desert in the world.
3. The Caspian Sea is ____________ of all the salt lakes.
4. The Nile is ___________ river in the world.
“世界之最”
Listen and complete the sentences.
1b
While-listening
1. Qomolangma is ______ than any other mountain in the world.
2. The Sahara is ____________ desert in the world.
3. The Caspian Sea is ____________ of all the salt lakes.
4. The Nile is _________ river in the world.
higher
the biggest
the deepest
the longest
比其他任何山都高=最高
=Qomolangma is the highest mountain in the world.
总结：形容词比较级+than any other+单数名词=最高级+单数名词。
Teacher: Yesterday, we learned some important geographical facts. I hope you all still remember them. I'm going to test you now by asking a few questions. First, what's the highest mountain in the world
Boy 1: Qomolangma! It's higher than any other mountain in the world.
Teacher: That's right. And who can tell me what the Sahara is
Girl 1: The Sahara is the biggest desert in the world.
Teacher: Very good. And which is the deepest salt lake in the world
地理事实
Listen and read abloud
While-listening
Listen and read abloud
Girl 2: The Caspian Sea is the deepest of all the salt lakes.
Teacher: You're all so smart! Now, for the last question, which is the
longest river in the world
Boy 2: I know! The Nile is the longest river in the world.
Boy 1: And the Amazon is the second longest river in the world.
Teacher: It seems that you know the answers to all my questions. Good job!
“the+序数词+最高级+单数名词+in…”表示“是……中的第几……”
While-listening
Qomolangma is higher than any other mountain in the world.
该结构意为“比其他任何一个……都……”，指同一范围内比较，表示最高级含义。
She is thinner than any other student in her class. = She is the thinnest in her class.
other必不可少，用以将主语从比较对象中排除，避免逻辑矛盾。
比较级 + than any other + 可数名词单数
Language points
Let’s learn
Language points
【特别提醒】如果比较对象不在同一范围内或不属于同一类别，应用“形容词/副词比较级 + than any（任何的） + 可数名词单数”。
The Pacific Ocean is larger than any lake in the world.
练一练
Hulunbuir is bigger than _____________ city in China.
Hulunbuir is bigger than _____________ city in Anhui.
any other
any
Let’s learn
Use the information in 1b to make conversations.
1c
Pre-listening
Qomolangma
What is the highest mountain in the world
Qomolangma
Pre-listening
Quize
How much do you know about our country
1. How long is the history of China
2. What size is China
3. What is the population of China
4. How long is the Yangtze River and the Yellow River
China has a history of more than 5000 years.
About 9,600,000 square kllometers in size.
It has a population of 1,400,000,000.
The Yangtze River is about 6,300 kilometers long. the Yellow River is about 5,464 kilometers long.
Listen and number the facts [1-4] in the order you hear them.
2a
___ The Yangtze River is about ______ kilometers long and the Yellow River is ______ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.
___ China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
___ China is almost as big as the US, but it is the biggest country in Asia.
6,300 5,000 5,464 300
4
2
1
3
长江
While-listening
Listen again and fill in the blanks in 2a with the numbers in the box.
2b
___ The Yangtze River is about ______ kilometers long and the Yellow River is ______ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.
___ China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
___ China is almost as big as the US, but it is the biggest country in Asia.
6,300 5,000 5,464 300
4
2
1
3
长江
6,300
5,464
5,000
300
a lot和much可修饰比较级。
as...as...和...一样（同级比较）
While-listening
Language points
3. China has the biggest population in the world.
① population n. 人口；人口数量。是集体名词，在句中作主语时，谓语动词用单数形式。population 之前若有分数修饰做主语时,谓语动词则可用复数形式.
中国人口有17亿多。
The population of China is over 1.7 billion.
这儿大约有五分之三的人口是农民。
About three fifths of the population here are farmers.
Let’s learn
Language points
② 表示有多少人口时，用“have/has a population of + 数词”，或“the population of … is + 数词”。
China has a population of about 1.4 billion. = The population of China is about 1.4 billion.
③ 询问人口多少时，用“What is the population of … ”或“How large is the population of … ”。
What/How large is the population of Henan Province
Let’s learn
Language points
④ 表示人口多少时，用 big/large 或 small 修饰，而不能用 many，much 或 few 等。
India has a large population.
类似的，表示 price（价格）高低，用 high 或 low，不能用 expensive 或 cheap；表示 temperature（温度）高低，用 high 或 low，不能用 hot 或 cold。
Let’s learn
Listen and read abloud
Mike：Hi, I’m Mike. I’m from the United States.
Boy： Welcome to our class, Mike. We’re happy to meet you.
Mike：Can you tell me a bit more about China
Girl： Sure! Did you know that China is one of the oldest countries in the world It’s over 5,000 years old.
Mike：Yes, I did. It’s much older than my country—in fact, the United States is one of the youngest countries in the world. It’s not even 300 years old.
Post-listening
Listen and read abloud
Boy： And China has the biggest population, too. It’s a lot bigger than the population of the United States.
Mike：But China is about the same size as the US, right
Girl： Yes, and it’s the biggest country in Asia. We also have some famous rivers. The Yangtze River is the longest river in Asia. It’s about 6,300 kilometers long.
Mike：Wow! I didn’t know that. I thought the Yellow River was longer.
Boy： No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China.
Post-listening
Make conversations using the information in 2a.
2c
History one of the oldest countries; over 5,000 years old one of the youngest countries; not even 300 years old
Population the biggest population in the world /
Area the biggest country in Asia as big as China
River the Yangtze River; the Yellow River /
Practice in pairs like this:
A: Did you know that China is one of the oldest countries in the world
B: Yes, I did. It’s much older than my country.
Post-listening
Guide: to ask me anything on today's Great Wall tour.
Tourist 1: is the wall
Guide: Ah, the most popular question! If we're only the parts from the Ming Dynasty, it's about 8, 850 kilometers long. This______ it the longest wall in the world.
Tourist 2: Wow, that's amazing! Why did the ancient emperors build the wall
Guide: The was to protect their part of the country. __________ _________,it’s quite tall and wide. , there are no other man-made objects as big as this.
Tourist 3: Is Badaling the Ming Great Wall
Guide: Yes, it's the most famous part.
Feel free
How long
talking about
makes
main reason
As you
can see
As far as I know
part of
Fill in the blanks according to the conversation.
Post-listening
Guide: Feel free to ask me anything on today's Great Wall tour.
Tourist 1: How long is the wall
Guide: Ah, the most popular question! If we're only talking about the parts from the Ming Dynasty, it's about 8, 850 kilometers long. This makes it the longest wall in the world.
Tourist 2: Wow, that's amazing! Why did the ancient emperors build the wall
（可以）随便（做某事）,其后接动词不定式。
n. & v. 旅行；旅游
n. 墙
adj. 令人大为惊奇的；
令人惊喜（惊叹）的
adj. 古代的；古老的
n. 旅行者；观光者
Role-play the conversation.
2d
Post-listening
Role-play the conversation.
2d
Guide: The main reason was to protect their part of the country. As you can see, it's quite tall and wide. As far as I know, there are no other man-made objects as big as this.
Tourist 3: Is Badaling part of the Ming Great Wall
Guide: Yes, it's the most famous part.
v. 保护；防护
adj. 宽的；宽阔的
adj. 人造的
不定式短语作表语
Post-listening
Group work
How much do you know about China
Facts about China
Size ≈ ___________ km
Mountain highest Qomolangma (8,844.43 m)
River longest
Lake biggest
Desert largest
Square biggest
City largest
…
Today we talked about the geographical facts about China.
China is … square kilometers in size. The highest mountain … is … It’s … meters high. It’s higher than any other mountain …
I love China. Thank you for your listening.
Post-listening
Report
1. 长、宽、高、深、面积的表达方法
基数词 + 单位词 + 形容词（long, wide, high, deep等）
基数词 + 单位词 + in + 名词（length, width, height, depth, size等）
eg：It is about 100 meters long from my house to the theater.
从我家到剧场大约100米。 The well is about 5 meters deep. 这口井大约5米深。 This ruler is 20 centimeter long. 这把尺子有20厘米长。 =This ruler is 20 centimeter in length. The giraffe is three feet high. =The giraffe is three feet in height.
长颈鹿有三英尺高。
Let’s learn
2. Qomolangma is higher than any other mountain in the world.
“any other +可数名词的单数”，意为“任何其他的”
any other“其他任何一个”，后接可数名词单数；指在同一范围内除了某人或某物以外的其他任何人或物；通常用于比较级，多用于同一范围内相比较。
eg：Shanghai is bigger than any other city in China.
上海比中国的其他城市都大。 Tom runs faster than any other student in his class.
汤姆跑得比班上任何一个学生都快。
“any other +可数名词单数” 可与 “the other +可数名词复数”互换，也可用最高级形式表达。
eg：Lucy is more careful than any other student in her class.
=Lucy is more careful than the other students in her class.
露西比班上的其他学生更细心。
Let’s learn
3. China has the biggest population in the world.
population是一个集合名词，意为“人口；人口数量”。其常见用法如下：
population常与定冠词the连用，作主语时，谓语动词常用第三人称单数形式。
eg：The world's population is increasing faster and faster.
世界人口增长得越来越快。 China has the biggest population in the world.
中国是世界上人口最多的国家。
当分数或百分数修饰population作主语时，谓语动词用复数形式。
eg：About seventy percent of the population in this country are farmers.
这个国家大约百分之七十的人口是农民。
Let’s learn
Let’s learn
有时population可用作可数名词，其前可用不定冠词。
eg：It is a big city with a population of over 10 million.
它是一个有一千多万人口的大城市。
表示人口的多少，不用much或little，而要用large或small。
eg：China has large population and Singapore has a small population.
中国人口多，新加坡人口少。
询问某国、某地有多少人口时，不用“How much……”；而用“What’s the population of…… ”。
eg：－What’s the population of China？中国有多少人口
－1411780000人。
Homework
1. Do the exercises in students’ book.
2. Read and recite the words and phrases in Section A (1a-2d).
3. Preview the passage in Section A 3a-3c.
Homework
Bye-bye
Thanks

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