Unit7 It's raining! SectionA 2a~2d课件(共23张PPT) -2023-2024学年人教版英语七年级下册

(共23张PPT)
What's the highest mountain in the world
Unit 7
Section A
(2a-2d)
By the end of the class, I will be able to
1. read large numbers and recognize them in the listening;
2. use comparatives and superlatives to talk about objects;
3. describe the size, length, height and width of objects;
4. know some geographic facts and love the world more.
Learning objectives
Do you like geography
What is the highest mountain in the world
What is the longest river in the world
Qomolangma
the Nile
Now let’s have a geography test.
Do you like geography
Now let’s have a geography test.
What is the biggest desert in the world
What is the deepest lake in the world
the Sahara
the Caspian sea
Do you like geography
Now let’s have a geography test.
1. How high is Qomolangma？
2. How long is the Nile
3. How deep is the Caspian Sea
4. How big is the Sahara
Now let’s find the answers in our new class.
Can you read these numbers
9,000,000
6,671
1,025
8,848.86
nine million
six thousand, six hundred and seventy-one
one thousand and twenty-five
eight thousand, eight hundred and forty-eight point eight six
Listen and number the facts [1-4] in the order you hear them.
__ 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 about the same size as the US,
and it is the biggest country in Asia.
1
4
3
2
2a
P50
__ 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 about the same size as the US, and it is
the biggest country in Asia.
Listen again and fill in the blanks in 2a with the numbers in the box.
6,300
5,464
5,000
300
6,300 5,000 5,464 300
1
4
3
2
2b
P50
Make conversations using the information in 2a.
2c
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.
much: 1. adj: much + 不可数名词
2. adv: much + 形副比较级
one of : 1. 后接可数名词复数
2. 形容词最高级
3. 谓语动词为三单
What’s this
It’s Great Wall.
How much do you know about it
Let’s watch a video to learn about it.
Watching a video and answer
Do you know what is the saying goes about The Great Wall
He who does not reach the Great Wall is not a real man!
不到长城非好汉
2. How long is the Ming Great Wall
Read and answer the questions below.
It's about 8,850 kilometers long.
The main reason was to protect their part of the country.
Yes, it’s the most famous part.
3. Why did the ancient emperors build the wall
4. Is Badaling part of the Ming Great Wall
What's the conversation about
It's about a tour to the Great Wall.
2d
Check your answers.
1
2
3
4
1. population
population意为“人口数量”，谓语动词要用单数形式。询问人口数量时要用“What’s the population of ... ”提问，而不用how many或how much等提问。表示人口“多”要用large 或 big；表示人口“少”要用small。
Language points
这个城市的人口是600万。
The population of this city is six million．
中国的人口比美国的人口多很多。
The population of China is much larger than that of the USA.
2. man-made
为合成形容词，意为“人造的”。英语中像这样与-made复合而成的形容词还有：handmade(手工制作的)、homemade (家庭制作的)、machine-made (机制的)等，用以描述产品的生产或制造手段、特点等。
这种鱼都是自家做的。
This kind of fish is homemade.
3. Feel free to ask me anything on today’s Great Wall tour.
在今天的长城游中，大家尽管问我任何问题，不
要拘束。
feel free是英语口语中一个常用表达。若有人让
你feel free to do something，就是让你无需拘束，
只管按照自己的意愿去做某事。e.g.
4. Qomolangma is 8,844.43 meters high.
It is … meters high (long, wide…).
它……米高(长,宽……)。
英语表示“有多长(宽，高……)”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。
much higher 意为“高得多”。在形容比较级前还可以用much, even, a little, still ,a lot, less等修饰词表示程度。
6. It’s much older than my country.
比我的国家更古老。
他比我跑得更快。He runs even faster than I.
日本土地面积只比德国大一点儿。
Japan is a little larger than Germany in area.
1. It is … meters high (long, wide…).
2. What’s the population of ...
3. much, even, a little, still, a lot, less+形容词比较级
4. as far as I know…
as / so far as I can remember / I can tell / I can see
as far as 远至
5. 合成词man-made
Summary
Ⅰ.根据句意及汉语提示填写单词。
1.Look at this lake.It's about 500 _______（平方） kilometers.
2.The Sahara is the biggest ______（沙漠） in the world.
3.India has the second biggest __________（人口） of all the countries.
4.Qomolangma is in the southwestern part of _____（亚洲）.
5.There are many beautiful pictures on the _____（墙）.
square
desert
population
Asia
wall
Ⅱ.根据汉语意思完成句子，每空一词。
6.游客们可以随便问问题。
Tourists can _____ _____ to ask questions.
7.这个房子的规模约200平方米。
The house is about 200 _______ _______ ___ _____.
8.据我所知,他喜欢下象棋。
____ ____ ___ __ ______,he likes playing chess.
feel
free
square
meters
in
size
As
far
as
I
know
9.这条河与那条河一样深。
This river is ___ _____ ___ that one.
as
deep
as
10.中国古代的皇帝建这座城墙的主要原因是保卫他们的国家。
The main reason why the _______ Chinese emperors built the wall was
___ _______ their country.
ancient
to
protect