(共45张PPT)
Unit 7 What’s the highest mountain in the world
人教新目标版 八年级下
SectionA 1a-2c 听说优质课
Learning objectives
1. 能够学习并掌握有关世界之最的英文词汇、短语及句型；并且能够在情境中运用。
2.能够在听说活动中准确获取并表达有关世界之最的相关内容，从而锻炼思维的灵活性。
3.通过听说活动，提高学生的听力能力及口语表达能力；通过不同的活动，能够反思总结课堂重点内容，掌握知识要点。
4.引导学生了解世界地理知识；培养学生热爱自然，热爱祖国的精神。
Let’s watch and think.
Let’s know about the top of the world.
Q1: What is the highest
mountain in the world
Qomolangma
/ t m lɑ m /
How much do you know about the world
the highest
It’s ___________ mountain in the world;
eight thousand,
eight hundred
and forty-eight
point eight six
Qomolangma
It’s ________ meters high.
8,848.86
height
(高度)
/ha t/
Qomolangma
the top of the mountain
height
height
sea
sea level （海平面）
Qomolangma
Qogir Feng
8,848.86 meters
the highest mountain in the world
What is the second highest mountain in the world
the second highest mountain in the world
8611 meters
Height
Qogir Feng
（乔戈里峰）
The Nile
/na l/
How much do you know about the world
Q2: What is the longest river
in the world
It’s ___________ river in the world;
The Nile
the longest
/ k l mi t /
It’s ________ kilometers long.
6671
six thousand,
six hundred
and seventy-one
length
(长度)
/le θ/
Tips
We can know the meaning of a word by combining（组合） the meanings of different parts of the word. For example, kilometer = kilo (千) + meter (米).
What is the second longest river in the world
the longest river in the world
Length: 6671 kilometers
the second longest river in the world
Length: 6400 kilometers
The Nile
The Amazon
The Caspian sea
/ k sp n/
How much do you know about the world
Q3:What is the deepest salt
lake in the world
/di p/
It’s ___________ salt lake in the world;
The Caspian sea
the deepest
one thousand,
twenty-five、
It’s ________ meters deep.
1025
depth
(深度)
/depθ/
The Caspian sea
1025 meters
Depth
The Sahara
/s hɑ r /
How much do you know about the world
Q4:What is the biggest desert
in the world
/ dez t /
It’s ___________ desert in the world;
The Sahara
the biggest
It’s about ________ square kilometers in size.
9600000
area
(面积)
/skwe (r)/
nine million
six hundred thousand
The Sahara
China
Area: 9,600,000
square kilometers
Area: about 9,600,000
square kilometers
the biggest dessert in the world
How to read larger numbers
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
Summary
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。
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？
Are you clear
Let’s have a try.
Read!
Who is
the best
9,752.22
5,660,000,000
8,653,325
6,000,080,000
eight million, six hundred and fifty-three thousand, three hundred and twenty-five.
five billion, six hundred and sixty million.
nine thousand, seven hundred and fifty-two point two two.
six billion and eighty thousand.
Competition !
Practice
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 .
Can you read these numbers
Practice
Qomolangma
the Nile
the Caspian Sea
the Sahara
about 9,600,000
square kilometers in size
1,025 meters deep
6,671 kilometers long
8,848.86 meters high
=in depth
=in length
=in height
长、宽、高、深、面积的表达结构：
数字 + 单位词 + adj.(deep,long, high...)
= 数字 + 单位词 + in + n.(depth,length,
height,size...)
Match the facts you know.
1a
Qomolangma is _____________ than any other mountain in the world.
The Sahara is _____________ desert in the world.
The Caspian Sea is _______________ of all the salt lakes.
The Nile is _______________ river in the world.
higher
the biggest
the deepest
the longest
=the highest mountain
=bigger than any other desert
=deeper than any other salt lake
=longer than any other river
最高级：the+ 形容词/副词最高级 +单数名词
=形容词、副词比较级+than+any other+单数名词
Listen and complete the sentences.
1b
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
【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
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 _________ mountain in the world
Boy2: Qomolangma! It's higher than ____ _____ _________in the world.
Teacher: That's right. And who can tell me what the Sahara is？
Girl 1: The Sahara is ___ ______ _______in the world.
Teacher: Very good. And which is the deepest ____ ____in the world
Listen again and fill in the blanks.
highest
any other mountain
the biggest desert
salt lake
地理事实
Girl2: The Caspian Sea is __ ______ ____all the salt lakes.
Teacher: You're all so smart！Now, for the last question, which is ___ _____ _____in the world
Boy 1: I know! ___ ____is the longest river in the world.
Boy2: And the Amazon is ___ _____ _______river in the world.
Teacher: __ ____ ____you know the answers to all my questions. Good job！
Listen again and fill in the blanks.
the deepest of
the longest river
The Nile
the second longest
It seems that
“the+序数词+最高级+单数名词+in…” 表示“是……中的第几……”
Use the information in 1b to make conversations.
1c
Qomolangma.
What is the highest mountain in the world
How much do you know about China
What do you know about China
size
about 9,600,000 square kilometers
one of the
largest ...
history
over 5,000 years
one of the oldest ...
population
1.3 billion
has the largest
population
famous rivers
the Yellow River
the Yangtze River
How much does Mike know about China
Listen to the conversation and find out the answer.
Before listening, pay attention to these numbers, Can you read them
300
5,000
5,464
6,300
five thousand, four hundred and sixty-four
five thousand
three hundred
six thousand and three hundred
Can you guess what are these numbers about
May be they are about the
height,length,depth and area.
___ 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
Listen and number the facts [1-4] in the order you hear them.
2a
长江
___ 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
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）
Listen again and fill in the blanks in 2a with the numbers in the box.
2b
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.
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
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。
Mike：Hi, I’m Mike. I’m from____ _______ _______.
Boy： Welcome to our class, Mike. We’re happy to meet you.
Mike：Can you tell me ___ ____more about China
Girl： Sure! Did you know that China is one of ____ ______ countries in the world It’s over ______years old.
Mike：Yes, I did. It’s ____ _____ ______my country—in fact, the United States is one of ____ ________countries in the world. It’s not even _____years old.
Listen again and fill in the blanks.
the United States
a bit
the oldest
5,000
much older than
the youngest
300
Boy： And China has___ ________ ___________, too. It’s a lot bigger than the population of the United States.
Mike：But China is about ___ _____ _____as the US, right
Girl： Yes, and it’s the biggest country in Asia. We also have some famous rivers. ____ ______ ______is the longest river in Asia. It’s about ______kilometers long.
Mike：Wow! I didn’t know that. I _______the Yellow River was longer.
Boy： No, the Yellow River is 5,464 kilometers long. But ______rivers are very important to China.
the biggest population
the same size
The Yangtze River
6,300
thought
both
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 /
Make conversations using the information in 2a.
2c
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.
1.______all the mountains, Qomolangma is the most famous.
A. In B. On C. To D. Of
2. Mary is shorter than_____girl in her class.
A. anther B.the other C.any other D.others
3. Yaoming is______taller than Kobe.
A. more B.much C. a lot of D. less
4. The building is_______.
A. 100-meter-high B. 100-meters high
C. 100 meters high D. 100 high meters
5. No ocean in the world is as_____as the Pacific Ocean.
A. big B. bigger C. bigger D. biggest
D
C
B
C
A
I. 单项选择。
Exercises
Exercises
1.尼罗河是世界上最长的河流。(2种; any other)
2.世界上最高的山峰是什么？
3.中国是世界上最古老的国家之一。
4.据我所知，黄河有5,464千米长。
The Nile is the longest river in the world.
The Nile is longer than any other river in the world.
What is the highest mountain in the world
China is one of the oldest countries in the world.
As far as I know , the Yellow River is 5,464 kilometers long.
II. 句子翻译。
Homework
1. Collect some top geography facts in the world or in China.
2. Practice with your classmates to speak large numbers.
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