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(共27张PPT)
Unit 4 The Wonders of Nature
Section A What is amazing about nature
(1a-1d)
Learning Objectives
In this lesson you will:
1.learn the words and expressions about some famous natural wonders.
2.get the geography facts about the natural wonders through listening.
3.talk about these places using the superlatives and large numbers.
Guess the Riddle
I’m not a river, but I have lots of flowing water. I’m not a rain, but I drop from the sky. What am I
I have a lot of water but no legs to walk. I fall from high places but never get hurt. What am I
Look and Share
Here are some famous waterfalls around the world. Can you identify what they are according to the given clues
in Guizhou China
one of Asia’s largest waterfalls, with a width of about 101 meters and a height of around 77.8 meters
Huangguoshu Waterfall
on the Zambezi River(赞比西河) , between Zambia (赞比亚) and Zimbabwe(津巴布韦) in southern Africa
one of Africa’s largest waterfalls, about 1,700 meters wide and up to 108 meters high
Victoria Falls
on the Churún River(丘伦河) , in the Guiana Highlands (圭亚那高原) of Venezuela(委内瑞拉)
the world’s tallest waterfall, with a total drop of about 979 meters
Angel Falls
1. Do you know the name of the
waterfall in the photo
2. What do you think is special
about it
Victoria Falls.
It is one of the largest waterfalls in Africa. It's very wide and has a huge flow of water. The mist from it can be seen from far away, and it's also located on the border between two countries.
3. What other natural wonders do you know
Natural wonders are amazing, unique things made by nature (not humans). They are often very big, beautiful, or special.
Examples include huge waterfalls, high mountains, deep canyons(峡谷), or strange rock formations. These places usually surprise people with their natural power or beauty.
Match the places with the pictures.
____ Nile River ____ Angel Falls ____ Mount Qomolangma
____ Dead Sea ____ Sahara Desert ____ Mariana Trench
E
F
A
D
C
B
1a
Nile River 尼罗河
/na l/
What do you know about these natural wonders
the longest river in the world, about 6,650 kilometers long
flow through 11 countries in Northeast Africa
home to animals like Nile crocodiles, hippos, and Nile perch
鲈鱼
Mount Qomolangma 珠穆朗玛峰
/ t m lɑ m /
the highest mountain in the world, with an official height of about 8,848.86 meters
on the border between Nepal and China.
Dead Sea
the lowest place on land
one of the world’s saltiest bodies of water
people can easily float on its surface without sinking
Sahara Desert
/s h r /
the world’s largest hot desert, with an area of about 9.2 million square kilometers
extremely hot and dry in summer and very little rainfall
Mariana Trench 马里亚纳海沟
/ m ri n / /trent /
in the western Pacific Ocean, near the Mariana Islands
the deepest part in the ocean
Listen to the game plete the descriptions of the places.
Place Description Measurement
Mount Qomolangma the _______________ in the world ___________meters high
Sahara Desert the ______________ in the world about___________
square kilometers in size
Dead Sea the _____________ on earth ___________meters below sea level
Mariana Trench the _____________ in the ocean about ___________ meters deep
highest mountain
biggest desert
lowest place
deepest point
1b
416 8,848.86 11,000 9,000,000
Do you know how to read the following numbers
416: four hundred and sixteen
8,848.86: eight thousand,eight hundred and forty-eight point eight
six
11,000: eleven thousand
9,000,000: nine million
e.g. 345,678,912:
three hundred and forty-five million,six hundred and seventy-eight thousand, nine hundred and twelve
How to read large numbers
Listen again. Complete the measurements in 1b with the numbers below.
416 8,848.86 11,000 9,000,000
Place Description Measurement
Mount Qomolangma the _______________ in the world ___________meters high
Sahara Desert the ______________ in the world about___________
square kilometers in size
Dead Sea the _____________ on earth ___________meters below sea level
Mariana Trench the _____________ in the ocean about ___________ meters deep
highest mountain
biggest desert
lowest place
deepest point
8,848.86
9,000,000
416
11,000
1c
Listening Scripts
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
Listen and repeat. Pay attention to the expressions in bold.
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
/ t kl mɑ k n/
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!
Useful Expressions
What’s the highest mountain/ the biggest desert/the lowest place/... in the world
How high/big/deep/...is it
Pair Work
Talk about the places you have learnt about.
A: What's the lowest place on earth
B: It's ...
A: How low is it
B: Its surface is ... metres below sea level.
A: Now, what's ...
1d
Language Points
1. What other natural wonders do you know
wonder 在此处作可数名词，意为“（自然/人造）奇观”
e.g. The Great Wall is one of the wonders of the world.（长城是世界奇观之一。）
wonder 还可以作不可数名词，意为“惊讶；疑惑”
e.g. The children looked at the magician in wonder.（孩子们惊奇地看着魔术师。）
no wonder：难怪；不足为奇
e.g. You’ve been studying all day—no wonder you’re tired.（你一整天都在学习，难怪会累。）
wonder 还可以作动词，意为“想知道；好奇；疑惑”
e.g. She wonders why he didn’t call her yesterday.
（她疑惑他昨天为什么没给她打电话。）
I wonder what time the train will arrive.
（我想知道火车什么时候到。）
2. Its surface is 416 metres below sea level.
below 作介词时，强调 “位置、数值、等级等处于另一事物的下方或更低水平”，不强调 “垂直正下方”（对应的反义词为above） 。也可用于抽象概念（如温度、排名、标准）
below sea level 意为“低于海平面”
e.g. The Dead Sea is one of the few places on Earth that is below
sea level.（死海是地球上少数几个低于海平面的地方之一。）
The river below the bridge is very clear.
（桥下面的那条河很清澈。）

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