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(共19张PPT)
Unit 4 The Wonders of Nature
Lesson 1 Opening Page, Section A 1a–1d
1. Think and explore.
What do you hear
Can you describe the scenery
(sight, size, sound)
How does it make you feel
waterfall
2. Brainstorm different types of natural wonders.
sea / ocean
lake / river
desert
trench
...
fall
mountain
Natural
wonders
3. Look and share.
Do you know the name of the waterfall in the photo
It is Victoria Falls.
What do you think is special about it
(Why is it a wonder )
(sight, size, sound)
What other natural wonders do you know
(feeling)
A
B
C
D
E
F
4. Match the places with the pictures.
What is special about each place
____ Nile River
____ Dead Sea
____ Angel Falls
____ Sahara Desert
____ Mount Qomolangma
____ Mariana Trench
/na l/
/ e nd l/
/ t m lɑ m /
/s hɑ r /
/ m ri n /
F
A
D
C
E
B
A
B
C
D
E
F
5. Listen and circle the places you hear.
What is special about each place
____ Nile River
____ Dead Sea
____ Angel Falls
____ Sahara Desert
____ Mount Qomolangma
____ Mariana Trench
/na l/
/ e nd l/
/ t m lɑ m /
/s hɑ r /
/ m ri n /
F
A
D
C
E
B
6. Listen to the game plete the descriptions of the places.
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
e.g. Mount Qomolangma is the highest mountain in the world.
What do all these descriptions have
in common
the + superlative adjective + noun
(+ optional prepositional phrase)
7. Listen again. Complete the measurements with the numbers below.
416　　8,848.86　　11,000　　9,000,000
How do people describe geography facts
Place Measurement
Mount Qomolangma ___________ metres high
Sahara Desert about ___________ square kilometres in size
Dead Sea ___________ metres below sea level
Mariana Trench about ___________ metres deep
How to read large numbers
(100+): ... hundred and ...
(1000+): From right to left. The
first comma (逗号) means thousand,
the second means million, the third
means billion. Read from left to right.
Decimal (小数): Use the word
“point” (.) when reading them.
8,848.86
9,000,000
416
11,000
(m)
(km2)
(–)
Place Description Measurement
Mount Qomolangma the _______________ in the world __________ metres high
Sahara Desert the _______________ in the world about __________ square kilometres in size
Dead Sea the _______________ on earth __________ metres below sea level
Mariana Trench the _______________ in the ocean about ___________ metres deep
8,848.86
9,000,000
416
11,000
highest mountain
biggest desert
lowest place
deepest point
8. Talk and retell.
e.g. Mount Qomolangma is the highest mountain in the world.
It is 8,848.86 metres high.
What’s the highest mountain in the world
It’s ...
How high is it
It’s ... metres high.
Now, what’s ...
...
Place Description Measurement
Mount Qomolangma the _______________ in the world __________ metres high
Sahara Desert the _______________ in the world about __________ square kilometres in size
Dead Sea the _______________ on earth __________ metres below sea level
Mariana Trench the _______________ in the ocean about ___________ metres deep
8,848.86
9,000,000
416
11,000
highest mountain
biggest desert
lowest place
deepest point
8. Talk and retell.
9. Read the conversation. Work in pairs and mark the sentences with different
functions (功能).
Ask about geography facts
about natural wonders
e.g. The host says, “What’s the highest
　 mountain in the world ” to ask
　 about geography facts about natural
　 wonders.
Talk about geography facts
Give feedback (反馈)
Add (补充) geography facts
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!
9. Read the conversation. Work in pairs and mark the sentences with different
functions (功能).
Ask about geography facts
about natural wonders
Talk about geography facts
Give feedback (反馈)
Add (补充) geography facts
Host:　　　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!
Ask about natural wonders
Talk about geography facts
Give feedback (反馈)
10. Add more expressions to help you talk about natural wonders.
Section A What is amazing about nature
What’s the lowest / highest /
biggest / deepest place in
the world / on earth
How low / high / big / deep
is it
Where’s ...
It’s ...
It’s ... metres / kilometres
(deep / high). It’s ... square
kilometres (in size).
It’s in ...
Correct / Right / Wrong ...
That’s ...
11. Listen to the conversation again and pay attention to the place, description,
　 and measurement. Then role-play it.
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!
12. Think further.
What questions did Fu Xing answer in the game show
Fu Xing answered 3 questions:
The highest mountain in the world → Mount Qomolangma
The biggest desert in the world → Taklimakan Desert (Incorrect. It is the biggest
desert in China.)
The deepest point in the ocean → Mariana Trench (And she knew it is about 11,000
metres deep.)
What can we know from her answers
She knows a lot about China’s geography. She also knows some famous places in the
world.
12. Think further.
Why do you think humans are so excited about “the highest”, “the deepest” and “the
biggest” things in nature
Because nature is so amazing.
Because humans are amazed by the unusual and unknown.
Because humans love ...
...
13. Suppose you are at a geography game show, make up a conversation with
your group member.
Ask about natural wonders:
What’s the lowest / highest / biggest / deepest place in
the world / on earth
How low / high / big / deep is it
Where’s ...
Talk about geography facts:
It’s ...
It’s ... metres / kilometres (deep / high).
It’s ... square kilometres (in size).
It’s in ...
Give feedback (反馈):
Correct / Right / Wrong ...
That’s ...
Language bank
It’s ...
What’s the lowest place on earth
How low is it
Its surface is ... metres below sea level.
Now, what’s ...
Checklist We / They can talk about natural wonders. Content (内容) □ Ask about geography facts □ Talk about information about geography facts □ Summarize what I learnt ☆☆☆
Language (语言) □ Use superlatives to describe natural wonders □ Use large numbers to share geography facts □ Use adjectives to show feelings and give details ☆☆☆
Performance (表现) □ Pronounce words correctly, speak loudly and confidently in public ☆☆☆
14. Make some comments.
Homework
1. Organize your conversation according to the checklist.
2. Practise it with your partner.

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