(共28张PPT)
Unit 4
The Wonders of Nature
UNIT
4
(3a-3d)
waterfall
n. 瀑布
Niagara Falls is one of the most famous waterfalls in the world.
尼亚加拉大瀑布是世界上最著名的瀑布之一。
water (水) + fall (落下) → 水落下的地方 → 瀑布
构词
civilization
(= civilisation)
n. 文明
Ancient Egypt had one of the world's earliest civilizations.
古埃及拥有世界上最早的文明之一。
ancient civilization 古代文明
at all costs
不惜任何代价
We must protect the environment at all costs.
我们必须不惜任何代价保护环境。
同义短语：
at any cost
development
n. 发展；壮大
economic development
经济发展
the development of new technology
新技术的发展
the development of …
……的发展
develop (v. 发展) + -ment (名词后缀) → development
构词
develop v.
发展；开发；养成
develop a habit 养成习惯
能够理解对话发生的背景、主要内容和相关细节信息。
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。
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。
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。
What kind of natural wonder can you see in the picture
Where is it
Read the conversation and answer the following questions.
Where did Ella visit on her trip
What rivers did Ella and Yaming mention in the conversation
Read the conversation and underline the three rivers mentioned.
Listen again and complete the table.
River Feature
Yangtze River The _________ river in china
It travels the _________
Yellow River The _____________ river in China
“________ river”
Nile River The longest river __________
Ella’s ___________ river
longest
farthest
second longest
Mother
in the world
favourite
What do Yaming and Ella know about these rivers Read the conversation again and complete the table.
River Country Length Importance
Yellow River ________ _______ km helped in the development of ancient ____________
Nile River ________ _______ km China
5,464
Egypt
6,671
civilizations
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
How + be 动词，询问某事怎么样
形容词最高级
数字 + kilometres + long 表示长度
打招呼
引入新话题
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.
不惜一切代价
母亲河
承接话题，表达兴趣
表示同意，继续拓展话题
Listen to the conversation. Then role-play it.
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.
Why is the Yellow River regarded as our “mother river”
Has the Yellow River's water been yellow since ancient times Why do some parts of the Yellow River carry brown and yellow earth
Why is the Yellow River still important in China today How about the Yangtze River
Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China.
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.
Ella: Do you know …
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.
Ella: Do you know how big it is
Yaming: Yes, it covers about 337,000 square kilometres.
Ella: Wow, that's huge! What's the largest lake in China
Yaming: I think Qinghai Lake is the largest lake in China. It's
a salt lake in Qinghai Province and is 4,340 square
kilometres in size.
Ella: Okay! What about the largest freshwater lake in China
Yaming: The largest freshwater lake in China is Poyang Lake.
EIla: You know lots about China's geography!
Both the Nile and the Yellow River helped ancient
civilizations to develop.
尼罗河和黄河都促进了古代文明的发展。
e.g. Both China and Egypt have long histories.
中国和埃及都有悠久的历史。
We both sang and danced at the party.
我们在派对上又唱歌又跳舞。
both … and … 两者都……
连接两个相同的句子成分，在句中做主语、宾语、状语等。
2. helped in the development of ancient civilizations
促进了古代文明的发展
e.g. The development of a baby from birth to age 5 is amazing.
婴儿从出生到5岁的发展过程很神奇。
The development of technology has changed our lives.
科技的发展改变了我们的生活。
development n. 发展，壮大
the development of… ……的发展
e.g. a developed country 发达国家
a developing country 发展中国家
developed adj. 发达的
developing adj. 发展中的
3. We should protect them at all costs.
我们应该不西任何代价保护它们。
at all costs 不惜任何代价
e.g. We should save endangered animals at all costs.
我们应该不惜一切代价拯救濒危动物。
The government will protect the forest at all costs.
政府将不惜一切代价保护这片森林。
I can
理解对话发生的背景、主要内容和相关细节信息。
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。
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。
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。
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。
小组练习本节课的对话。
预习Grammar Focus。
