2026年人教版英语八年级下Unit 4 The Wonders of Nature课时3SestionA3a-3d课件(共36张PPT,内嵌音视频)

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2026年人教版英语八年级下Unit 4 The Wonders of Nature课时3SestionA3a-3d课件(共36张PPT,内嵌音视频)

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(共36张PPT)
2. Whose birthday is it
Unit 4
The Wonders of Nature
人教版 英语(八年级下册)
Section A
3a-3d
2. Whose birthday is it
能够理解对话发生的背景、主要內容和相关细节信息;
能够分析对话中信息推进的逻辑,以及人物互动延续对话的技巧。(学习理解)
01
能够与同伴分角色表演对话,体会对话人物的情感态度,并做到语音、语调正确,语流自然;能够与同伴合理接续对话,运用比较级和最高级、大数字以及跨学科知识交流中外地理知识。(应用实践)
02
能够理解河流对国家文明的形成和发展的历史作用,正确看待人与自然的关系,树立环保意识,坚定文化自信。(迁移创新)
03
学习目标
2. Whose birthday is it
01 情景导入
Scenario import
Enjoy the video before this class.
Lead in
2. Whose birthday is it
02 学习理解
Learning to understand
What’s the highest mountain in the world
It’s the Mount Qomolangma .
Let’s ask and answer!
What’s the biggest desert in the world
It’s the Sahara Desert .
What’s the lowest place on earth
It’s the Dead Sea.
What’s the longest river in the world
It’s the Nile.
What’s the longest river in Asia
It’s the Yangtze River
长江
What’s the the second longest river in China
It’s the Yellow River
3a
Discuss the questions:
1. What kind of natural wonder can you see in the picture
It’s Hukou Waterfall (壶口瀑布) .
2. Do you know where it is
It is located on the border of Shanxi Province and Shaanxi Province in China, on the Yellow River.
2. Whose birthday is it
03 应用实践
听说活动
Application Practice
Let’s listen and choose.
1. Where did Ella go on her trip
A. The Yangtze River. B. The Yellow River. C. The Nile.
2. Which is the longest river in China
A. The Yangtze River. B. The Yellow River. C. The Nile.
3. Why is the Yellow River called “Yellow River”
A. Because it is the mother river.
B. Because it carries yellow and brown earth.
C. Because it runs through Egypt.
4. What do the Nile and the Yellow River have in common
A. They both run through China.
B. They both have yellow and brown water.
C. They both helped ancient civilizations develop.
Read the conversation and underline the three rivers mentioned.
3a
Yaming: Welcome back, Ella! How was your trip
Ella: It was great! We saw the Hukou Waterfall on the Yellow River. Is that the
longest river in China
Yaming: No, the Yangtze River is the longest river in China. It travels the farthest
and is about 6,300 kilometres long. The Yellow River is 5,464 kilometres long and
is the second longest. By the way, do you know why it's called the Yellow River
Ella: Because it's yellow
Yaming: Right. Some parts of the river carry brown and yellow earth.
Ella: That's interesting! I like learning about rivers. My favourite is the Nile. Did you
know it's the longest river in the world
Yaming: Yes, it's 6,671 kilometres long. It's very important in Egypt's history.
Ella: That's right. Both the Nile and the Yellow River helped ancient civilizations to develop. And they're still very important today.
Yaming: Yes. In China, we even call the Yellow River our "mother river"!
Ella: We should protect them at all costs.
Read the conversation again and complete the table.
3b
River Country Length Importance
Yellow River ________km helped in the development of
ancient ___________
Nile River ________km China
Egypt
5,464
6,671
civilizations
/d vel pm nt/ n. 发展
Write about the features of these rivers.
River Feature (特点)
Yellow River
Nile River
Nile River
The longest river in China.
It travels the farthest.
The second longest river in China.
“Mother river”
The longest river in the world.
Ella’s favourite river
Listen to the conversation. Then role-play it.
3c
2. Whose birthday is it
04 迁移创新
Migration Innovation
Let’s think and answer questions!
1. Why is the Yellow River regarded as our “mother river”
2. Why do some parts of the Yellow River carry brown and yellow earth
Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China.
3d
For example:
Ella: Could you tell me more
about China, Yaming
Yaming: Sure! What would you like to know
Ella: What’s the biggest desert in China
Yaming: It’s the Taklimakan Desert.
/ dez t/ n. 沙漠
The largest waterfalls
Huangguoshu Waterfall (黄果树瀑布)
The largest saltwater lake
Qinghai Lake (青海湖)
The largest desert
Taklamakan Desert (塔克拉玛干沙漠)
Let’s protect water resources.
Group discuss:
Why are both rivers and the deep sea important
What can we do to protect them
Write 2-3 pieces of slogans:
For examples:
Don’t throw rubbish into rivers or the sea.
Learn about water ecosystems and tell others.
Support scientific research about water.
2. Whose birthday is it
05 回顾总结
Summary
Natural wonders
Deep Sea
Depth at which the deep sea begins
Deepest dive of a whale
Depth at which the Titanic rests
Depth Fendouzhe reached
the Yellow River
the Yangtze River
the Nile
Great rivers
Summary
200
5,464
2,000
3,800
10,909
6,300
6,671
longest
Rivers are the past and present of human civilization. The deep sea may be the future. To protect water is to protect life itself.
2. Whose birthday is it
06 考点大全
Language points



depth n.深度;纵深 常用搭配: in depth 在深度上
---- deep adj. 深的 ---- deeply adv. 深深地 (抽象程度)
1.The _________(depth/deep)of the well is 10 meters.
2.This river is 20 meters in _________(deep/depth).
3. She is __________(deep/deeply)interested in painting.
4. The well is 30 meters ________(deep/deeply).
5. 翻译:他深深地爱着自己的祖国。
例:The hole is six meters in depth. 这个洞的深度是六米。
The river is ten meters deep. 这条河有10米深。
He was deeply moved by the story. 听了这个故事他深受感动。
depth
He loves his motherland deeply.
depth
deeply
deep



unusual adj. 特别的;不寻常的 反义词:usual adj.平常的
unusually adv. 不寻常地 usually adv. 通常
常用句型:It’s unusual to do sth. 去做......是不寻常的。
例句:It’s unusual to see snow in this city in October.
十月在这座城市看到雪是很不寻常的。
She has an unusual hobby—collecting old stamps.
她有个特别的爱好——收集旧邮票。
1. It’s _________(usual/unusual)for him to be late for school.
2. Her _________(usual/unusual)idea surprised everyone.
3. 翻译:在这个小镇看到明星是很不寻常的。
unusual
unusual
It’s unusual to see a star in this small town.



means n. 方式;途径(单复数同形)
常用搭配: by all means 无论如何; 一定;当然
a means of sth. ……的方式
by means of 通过……方式
例句:We should protect the earth by all means. 无论如何我们应该要保护地球。
Taking the bus is a cheap means of transportation.
坐公交车是一种便宜的交通方式。
We can solve this problem by means of discussion.
我们可以通过讨论解决这个问题。
1.Reading is a good ______(mean/means)of learning English.
2. We communicate with each other by ______(means/mean)of WeChat.
means
means



development n. 发展;壮大 develop v. 发展
形容词:developing(发展中的) developed(发达的)
用法:作名词,常用搭配 the development of sth.(……的发展),
如economic development(经济发展)。
例句:The development of technology has changed our life a lot.
(科技的发展极大地改变了我们的生活。)
1. The __________(develop)of AI is very fast now.
2. China is a ___________(developing/developed)country.
3. 翻译:教育的发展对国家至关重要。
development
developing
The development of education is crucial for a country.
2. Whose birthday is it
07 课堂小测
Exercise
Sutong Bridge over the Yangtze River is about ________ long.
A.eight thousand metres B.eight-thousand-metre
C.eight-thousands-metres D.eight thousands metres
2
I like all the shirts in the shop, but I only took the ________ one to save money.
A.cheaper B.more expensive
C.cheapest D.most expensive
3
Mike lives ________ from school of all the students, and he always takes the subway to school.
A.far B.farther C.the farther D.the farthest
1
一。单项选择
1. The main purpose of his holiday to Greece was to go ________ (dive).
2. Our school library is the ________ (large) one in the district, with a lot of different kinds of books.
3. The ________(deep) of the swimming pool is two metres, so you need to be careful.
4. The Dead Sea is the ________ (low) place on earth.
5. The national park covers an area of 500 ________ (square) kilometers.
6. Mount Qomolangma is still growing _______ (tall).
7. Many deep-sea animals are __________ (color) and strange.
diving
二。用单词的适当形式填空。
largest
depth
colorful
lowest
square
taller
1. The Yellow River is about 5,464 kilometres long. How do you read the number
A. five thousand four hundred and sixty-four
B. five thousand and four hundred sixty-four
C. five thousand four hundred sixty-four
2. 这栋公寓楼大约200米高。This apartment building is about 200 ____ ____.
3. 鄱阳湖是中国第二大湖。The Poyang Lake is ___ ____ ____ lake in China.
4. 世界上最大的沙漠是撒哈拉沙漠。
The _______ ______ in the world is the Sahara Desert.
5.如果你需要任何帮助,务必告诉我。
If you need any help, tell me ____ ____ ______.
A
meters high.
the second biggest
biggest desert
by all means
三。填空。
Homework
1. Memorize the new words and phrases.
2. Practice the conversations with your partner using the
sentence patterns we have learned .
3. Finish the exercises.
2. Whose birthday is it
Thanks
for watching!

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