资源简介

(共33张PPT)
Unit 4 The Wonders of Nature
What is amazing about nature
Section A(1a-2d)
1. Do you know the name of the
waterfall in the photo
2. What do you think is special
about it
3. What other natural wonders do
you know
Look and share
Yes, it's Victoria Falls.
It's one of the largest waterfalls in the world,
with a wide curtain (幕) of water.
The Grand Canyon, the Huangguoshu Waterfall, Mount Qomolangma and the Amazon Rainforest.
In this unit, you will
1.talk about geography facts about natural
wonders.
2.compare facts about famous places.
3. share geography facts using large numbers.
4. explore how and why people connect with nature.
地理事实
自然奇观
大数字
建立联系
Say something……
follow
1****: I want to go there!
王****: Where is this
林****: Beautiful！！！
****: Nature is great！！
l****: So deep! Can’t believe it!
e****: Wow! Amazing!
…
人气榜
Travel Show
30w+ likes
1w+
x
Pre-listening
Today let’s join a game show. I’m the host.
Can you guess what it is about
Geography
challenge
Nile/na l/ river
尼罗河
"There is a river so long, that it flows through 11 countries. If you walk its whole length, it will take you over a year!"
"There is a waterfall so tall that the water turns into mist before it even reaches the ground. It's like a river falling from the clouds!"
Angel Falls 安赫尔瀑布
/ e n.d l f lz/
"There is a hole in the ocean . It is so deep that if you put Mount Qomolangma inside it, the top would still be 2 kilometres underwater!"
Mariana Trench 马里亚纳海沟
/ meri n trent /
the deepest trench in the ocean
"There is a place so high, that if you stand on top, you are closer to the sky than any other person on Earth
Mount Qomolangma (珠穆朗玛峰)
/ma nt t .m .lɑ .m /
the highest mountain in the world
"There is a place where you CANNOT sink. You can read a newspaper while floating on your back!"
Dead Sea (死海)
the lowest place on earth
"There is a place so dry, that some areas get no rain for decades. But at night, you might freeze because it gets so cold!"
Sahara Desert（撒哈拉沙漠）
/s hɑ r dez t/
the biggest desert in the world
What other natural wonders do you know
Work on 1a
Match the places with the pictures.
Pre-listening
____Nile River ____Angel Falls ____Mount Qomolangma
____Dead sea ____Sahara Desert ____Mariana Trench
A
D
E
C
F
A
D
C
E
B
F
B
How do they make you feel
I feel amazed/ surprised/ excited…
wonderful fantastic unique magnificent brilliant
Let’s chant
Pre-listening
There are so many wonders of nature.
I say “mount you say “Mount Qomolangma”
I say “desert ” you say “Sahara Desert”
I say “sea ” you say “Dead Sea ”
I say “ trench ” you say “Mariana Trench ”
I say “river” you say “Nile River ”
I say “fall” you say “Angel Falls ”
Listen to the conversationand think about the questions below.
1.What is the latest measured height of Mount Qomolangma
A. 8,848.43 metres
B. 8,848.86 metres
C. 8,844.43 metres
D. 8,844.86 metres
2.How large is the Sahara Desert in size
A. About 900,000 square kilometres
B. About 9,000,000 square kilometres
C. About 90,000,000 square kilometres
D. About 900,000,000 square kilometres
3.How deep is the Mariana Trench
A. About 416 metres
B. About 8,848.86 metres
C. About 11,000 metres
D. About 9,000,000 metres
Work on 1b
Listen to the game plete the descriptions of the places.
While-listening
Place Description
Mount Qomolangma the in the world
Sahara Desert the in the world
Dead Sea the on earth
Mariana Trench the in the ocean
highest mountain
biggest desert
lowest place
deepest point
Work on 1C
Listen again. Complete the measurements in 1b with the numbers below.
While-listening
416 8,848.86 11,000 9,000,000
Place Measurement
Mount Qomolangma ________metres high
Sahara Desert about ________square kilometres in size
Dead Sea ________metres below sea level
Mariana Trench about________metres deep
New words:
数量；测量
/'me m nt/
n.
英语数字读法
英语中，数字从后往前数，每三位标一个逗号。
例： 9,000,000
百位和十位中间加and
小数点读作point, 小数点后的数字逐个单独读出。
thousand
million
Listen again. Complete the measurements.
1c
Place Measurement
Mount Qomolangma ________metres high
Sahara Desert about ________ square kilometres in size
Dead Sea ________metres below sea level
Mariana Trench about________metres deep
8,848.86
9,000,000
416
11,000
Learnning tip:
长、宽、高、深、面积的表达方法: 基数词 + 单位词 + 形容词（long, wide, high, deep等）/介词短语（in size, below sea level等）
Host: Welcome to our game show! Today, it's all about geography. Answer as quickly as you can!
Question one: What is the __________ mountain in the world
Fu Xing: It's Mount Qomolangma!
Host: Correct! How high is it
Liu Hongyu: I know this—it's____________ metres high.
Host: No, sorry. Fu Xing
Fu Xing: It is_____________metres!
Host: Yeah! But some scientists say Qomolangma is still growing _________Now, name the __________ desert in the world.
Fu Xing: The Taklimakan Desert
Host: Wrong! Ella
Ella: It's the Sahara Desert.
Host: Right! Now, how big is it
Ella: It's about ____________square kilometres.
Host: That's right! What's the __________ place on earth
Liu Hongyu: It's the Dead Sea!
Host: Well done! Its surface is __________ metres below sea level. Now where's the __________ point in the ocean
Fu Xing: It's in the Mariana Trench.
Host: That's correct! How deep is it
Fu Xing: It's about_____________metres deep.
Host: Correct!
8,848.43
8,848.86
9,000,000
11,000
taller
highest
biggest
lowest
deepest
416
Listen to the conversation again and fill in the blanks
What can you learn from this passage
1.What can we learn about facts and knowledge from Fu Xing and Liu Hongyu’s answers
It’s important to use the latest information and be more careful about facts.
2.Why is it easy to mix up the Taklimakan Desert and the Sahara Desert What does this tell us about learning geography
Both are large deserts, so it’s easy to confuse them. We need to remember not just names, but also key facts like size and location.
What can you learn from this passage
1.What do these numbers tell us about learning new things
Accuracy is important and knowledge is always changing.
2.How does knowing about the highest mountain, deepest trench, and biggest desert help us understand the world we live in
It helps us see how big and amazing the Earth is, and makes us realize how small we are compared to it.
Text analysis
Post-listening
Host:Welcome to our game show! Today, it's all about geography. Answer as quickly as you can! Question one: What is the highest mountain in the world
Fu Xing:It's Mount Qomolangma!
Host:Correct! How high is it
Liu Hongyu:I know this—it's 8,848.43 metres high.
Host:No, sorry. Fu Xing
Fu Xing:Is it 8,848.86 metres
Host:Yes! But some scientists say Qomolangma is still growing taller! Now, name the biggest desert in the world.
Fu Xing:The Taklimakan Desert
Host:Wrong! Ella
Ella:It's the Sahara Desert.
Host:Right! Now, how big is it
Ella:It's about 9,000,000 square kilometres.
Host:That's right! What's the lowest place on earth
Liu Hongyu: It's the Dead Sea!
Host:Well done! Its surface is 416 metres below sea level. Now where's the deepest point in the ocean
Fu Xing:It's in the Mariana Trench.
Host:That's correct! How deep is it
Fu Xing:It's about 11,000 metres deep. Host:Correct!
Places&Description
What is the ... in the world/on earth
where's the .. in the ocean
It’s ...
Measurement
How high/big/deep is it
It’s about...high/square kilometers/deep.
Its surface is 416 metres below sea level.
1d Talk about the places you have learnt about.
It's ...
What's the lowest place on earth
Its surface is ... metres below sea level.
How low is it
Now, what's ...
What's the highest mountain in the world
What's the biggest desert in the world
What's the lowest place on earth
Where's the deepest point in the ocean
How high is it
How big is it
How low is it
How deep is it
It's Mount Qomolangma.
It's the Sahara Desert.
It's the Dead Sea.
It is in the Mariana Trench.
It is about 8,848.86 metres high.
It is about 9,000,000 square kilometres in size.
Its surface is 416 metres below sea level.
It is about 11,000 metres deep.
Summary
Summarize the wonders of nature.
Post-listening
the wonders of nature
Mount Qomolangma
the highest
Sahara Desert
the biggest
Dead Sea
the lowest
Mariana Trench
the deepest
8,848.86
9,000,000
416
11,000
1.Answer as quickly as you can!
as ... as you can：固定结构，意为 “尽可能……”
2.What is the highest mountain in the world
What is the biggest desert in the world
What is the lowest place on Earth
Where is the deepest point in the ocean
形容词最高级用法
构成：
单音节词：high → highest, big → biggest, low → lowest, deep → deepest
多音节词：interesting → the most interesting
规则：
最高级前必须加 the：the highest mountain, the biggest desert
常与表示范围的短语连用：in the world, on Earth, in the ocean
Language points
A: How high is it
B: It's about 8,848.86 metres high.
A: How big is it
B: It's about 9,000,000 square kilometres in size.
A: How low is it
B: Its surface is 416 metres below sea level.
A: How deep is it
B: It's about 11,000 metres deep.
疑问词 How + 形容词：用于询问事物的属性或程度，如高度、大小、深度等。
回答时常用 数词 + 单位 + 形容词 或 介词短语 来表达具体信息：
Language points
1. good /well _______
2. comfortable ________________
3. big _______
4. happy ________
5. cheap ________
6. many _______
7. difficult ______________
8. little _____________
9.great _________
best
most comfortable
biggest
happiest
cheapest
most
most difficult
least
greatest
写出下列单词的最高级。
Exercise
写出下列数字的英文表达。
433,024
856,730,452
59,725
four hundred and thirty-three thousand and twenty-four
eight hundred and fifty-six million, seven hundred and thirty thousand, four hundred and fifty-two
fifty-nine thousand, seven hundred and twenty-five
Exercise
1.It’s ____________ (不寻常) to find a rainforest growing in such a cold climate.
2.The lake’s water is so clear that you can see to the _________ (底部) through it.
3.The Grand Canyon is one of the greatest natural __________ (奇观) in the world.
4.The Nile River’s water ________(高度) changes greatly during the rainy season.
5.Scientists use special tools to measure the ________ (深) of the Mariana Trench.
6.Fish swim ____________ (在……下面) the surface of the deep ocean where sunlight never reaches.
unusual
bottom
wonders
根据句意及汉语注释完成单词
Exercise
level
depth
below
1.I have ____________ (many) English books than my sister.
2.Mount Qomolangma is the ____________ (high) mountain in the world.
3.The Yellow River is the second ____________ (long) river in China.
4.We used simple tools for the _______________ (measure) of the tree’s diameter (直径).
5.In the dancing contest， Nancy danced as ____________ as Mary， but Lisa danced even ____________ than any other girl. (well)
more
highest
longest
measurement
well
better
Exercise
用括号中所给单词的适当形式填空
1. Mount Qomolangma is _______ mountain in the world.
A. high B. higher C. the highest D. tallest
2. The Dead Sea is 416 metres _______ sea level.
A. below B. under C. on D. in
3. They _______ many photos in the deep sea last year.
A. take B. took C. takes D. are taking
4. It’s important _______ the deep sea.
A. learn B. to learn C. learning D. learns
5. We don’t know much _______ the ocean floor.
A. about B. with C. for D. at
单项选择
绘制一幅“世界自然奇观探险地图”，标注英文名称和关键数据。
上网查询更多关于自然奇观的介绍，每人制作一个自然奇观海报在班级展览。
辅助资源：
BBC Earth-Planet Earth
National Geographic- Amazing Planet
Discovery Channel-Wonders of Nature
Homework

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