八年级英语人教版下册 Unit 7 What’s the highest mountain in the world？Section A 1a-2d 课件(共38张PPT，内嵌音频)

(共38张PPT)
Unit7
What's the highest mountain in the world
SectionA 1a-2d
Now,let's explore the best in the world.
Are you ready
Do you know these palces
Qomolangma
the Caspian sea
the Nile
the Sahara
mountain
salt lake
river
desert
When we are sightseeing,
we should also learn something important.
geographical facts
historical facts
Tell me about the geographical facts of these places.
length
（长度）
depth
（深度）
height
（高度）
size
(尺寸）
geographical fact
Qomolangma
height : high
______ meters high
8844.43
eight thousand eight hundred and forty-four point four three
geographical fact
the Sahara
size : square (平方）
about ___________ square kilometers in size
9,600,000
nine million six hundred thousand
geographical fact
the Caspian sea
depth : deep (深的）
________ meters deep
1025
one thousand and twenty-five
geographical fact
the Nile
length : long
________ kilometers long
6,671
six thousand six hundred and seventy-one
summary
表示长，宽，高的表达：基数词+单位词+形容词（long/deep..)
about 9,600,000 square kilometers in size
1025 meters deep
8844.43 meters high
6671 kilometers long
The expression of numbers
Tips
4
21
128
5,820
Read these numbers
four
twenty-one
one hundred and twenty- eight
five thousand eight hundred and twenty
How about these
886,510
2,021
7,725,385
84.14
111 ,111 ,111
要读一组长数字，可以先把这组数字分3个数字一组用逗号隔开
111111111
million
（百万）
thousand
（千）
英语里没有万，十万的表达
一万：ten thousand
十万： one hundred thousand
Have a try
86，510
eighty-six thousand five hundred and ten
2，019
two thousand and nineteen
百位数没有，不读
7，725，385
seven million seven hundred and twenty-five thousand three hundred and eighty-five
Have a try
9，600，000
nine million six hundred thousand
84 . 14
eighty-four point one four
小数点用point表示
summary
把长数字分为3个数字一组，用逗号隔开，从右到左，
把第一个逗号看作thousand，第二个逗号看作million,第三个逗号是billion
1
2
”and“ 只有十位数和百位数之间出现
3
小数点后面的数字按单个读
百位数没有数字时，thousand 和 十位数之间，and不省略
84 . 14 小数点后面读one four
不整读
Have a test
45567
forty-five thousand five hundred and sixty-seven
7899256
67 . 23
sixty-seven point two three
45 , 567
7 , 899 , 256
seven million eight hundred and ninety-nine thousand two hundred and fifty-six
What is this place？
It is Qomolangma.
How high is it？
It is 8843.43 meters high.
Dialogue
What is this place？
It is the Nile.
How long is it？
It is 6,671 kilometers long.
Dialogue
What is this place？
It is the Sahara.
How big is it in size？
It is about 9,600,000 square kilometers in size
Dialogue
What is this place？
It is the Caspian sea.
How deep is it？
It is 1,025 meters deep.
Dialogue
Work on 1a. Match the facts you know.
What other geographical facts do you know about these places
What is the biggest desert in the world
What is the deepest salt lake in the world
What is the longest river in the world
What is the highest mountain in the world
1b.Listen their discussion at the first time and match the answers.
Qomolangma
The Sahara
The Caspian sea
The Nile
the biggest desert
the highest mountain
the longest river
the deepest salt lake
1b.Listen for the second time and complete the sentence.
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
the highest mountain
bigger than any other desert
最高级：the+ 形容词/副词最高级 +单数名词+in/of
=形容词、副词比较级+than+any other+单数名词+in/of
1b.Listen for the third time and recite the key sentences.
Qomolangma is ___________________.
It is ____________________________ in the world.
The Sahara is ___________________.
It is ______________________ in the world.
The Caspian sea is ___________________.
It is ___________________________ in the world.
The Nile is ___________________.
It is ______________________ in the world.
8844.43 meters high
higher than any other mountain
about 9,600,000 square kilometers in size
the biggest desert
1,025 meters deep
the deepest of all the salt lakes
6,671 kilometers long
the longest river
Pair work
Use the information in 1b to make conversation
What is the highest mountain in the world
Qomolangma.
What do you know about Qomolangma
Qomolangma is 8844.43 meters high.It is higher than any other mountain in the world.
How much do you know about China
history
population 人口
area 面积
the Yangtze river
the Yellow river
__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, and it is the biggest country in Asia
2a.Listen and number the facts[1-4]in the order you hear them
4
2
1
3
2b.Listen again and fill in the blanks in 2a with the numbers in the box.
4 The Yangtze River is about _______ kilometers long and the Yellow River is ______ kilometers long.
2 China has the biggest population in the world. It’s a lot bigger than the population of the US.
1 China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
3 China is almost as big as the US, and it is the biggest country in Asia.
6,300 5,000 5,464 300
six thousand three hundred
five thousand
five thousand four hundred and sixty-four
three hundred
6,300
5,464
5,000
300
Tips:
可以修饰比较级的词：much,a lot,far,even
可以修饰原级的词：
quite，very，too，so
即修饰比较级又修饰原级：
a little, a bit
population ：人口（数量）
人口的“多”/ “少”
用large/small 形容
e.g：The population of China is very large.
表示询问某国某地有多少人口？
How large....
What is the population of …
the biggest population
人口数量大
2c.Make conversations using the information in 2a.
.
Wang Ming is from China. Mary is from America.
They are Net friends. They are taking about China.
Mary
Hello. Wang! I have never been to China,Can you tell me something about China
Sure.
Did you know that China is one of the oldest countries in the world
one of+形容词最高级+名词复数 :
表示...之一
Today, I am going to follow the guide(导游） to the Great Wall, and learn something about it.
In China, the Great Wall is the most famous place.
How much you know about the Great Wall
1.From the Ming Dynasty,it is about___________ kilometers long.2.It is ____________ wall in the world.3.The main reason of building the wall was _________________________4.It is quite _______ and __________,there are no other ____________ objects ___________ it.5.________________ is the most famous part of the Ming Great Wall.Work on 2d.Listen the tape and find the information8,850the longestto protect theirpart of the countrytallwideman-madeas big asBadaling partLanguage points
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
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 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.
feel free to do(可以)随便(做某事)
表示如果，引导条件状从
adj：令人感到惊异的
amazed：（某人）感到惊异的
v.保护
protect sb from doing sth.
保护某人不受到...的伤害
译：正如你所看到的那样
as far as I know： 据我所知
as far as：1.和...一样远
2.据....;就....
人造的
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
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 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.
From the tape, can you learn the feeling of the guide and tourists.
curious
(好奇的）
proud
(自豪的）
surprised
proud
(自豪的）
Traveling is not only interesting and relaxing,but also is a good way to learn more about our world.
Summary
01
02
03
04
05
表示长、宽、高时常用句型：
基数词 + 单位词（meter, foot, kilo等）+ 形容词（ long, deep, high, tall）
数字的表达：
把长数字分为3个数字一组，用逗号隔开，从右到左，把第一个逗号看作thousand，第二个逗号看作million，第三个逗号
看做billion
much/ a lot +形容词比较级+ than...
e.g :China is much/ a lot older than the United States
one of+形容词最高级+名词复数 :
表示...之一
e.g: China is one of the oldest countries in the world.
形容词和副词的最高级句型：
the+ 形容词/副词最高级 ...+in/of
= 比较级+ than any other + 单数n.
（这里是用比较级表示最高级的用法。)