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(共16张PPT)
Unit 4 The Wonders of Nature
Section A What is amazing about nature (1a-2d)
Look and Share
What do you hear
Do you know the name of the waterfall in the photo
It is Victoria Falls.
How does it make you feel
What do you think is special about it
(Why is it a wonder )
(sight, size, sound) (feeling)
What other natural wonders do you know
waterfall
It's one of the largest waterfalls in the world,with a wide curtain (幕) of water.
one of Africa’s largest waterfalls, about 1,700 meters wide and up to 108 meters high.

BIG
Question
How do we connect with nature
enjoy natural beauty
love plants and animals
respect nature
…
A
B
C
D
E
F
Match the places with the pictures.
____ 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
1a
What is special about each place
Let’s chant
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”
Today let’s join a game show. I’m the host.
Can you guess what it is about
Geography
challenge
A
B
C
D
E
F
Listen and circle the places you hear.
____ 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
1a
What is special about each place
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
1b
What do all these descriptions have in common
the + superlative adjective + noun
(+ optional prepositional phrase)
e.g. Mount Qomolangma is the highest mountain in the world.
Do you know how to read the large numbers
十亿
billion
百万
千
百
点
million
thousand
hundred
point
2, 065, 609, 980. 34
point
point
million
billion
and
three four
thousand
two billion, sixty-five million, six hundred and nine thousand, nine hundred and eighty point three four.
Listen again. Complete the measurements with the numbers below.
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
8,848.86
9,000,000
416
11,000
(m)
(km2)
(–)
1c
How do people describe geography facts
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 ...
...
Think further
What’s the highest mountain in the world How high is it
It’s Mount Qomolangma and it’s 8,848.86 metres high.
Where’s the deepest point in the ocean How deep is it
It’s in the Mariana Trench and it’s about 11,000 metres deep.
What else do you know about the deep sea
Think and share
Complete the sentences with the information from the picture.
(1) Fendouzhe
reached ____.
(2) The deep sea
　 begins at ____.
(3) The Titanic
　 rests at ____.
(4) A whale can
　 dive to ____.
D
A
C
B
2a
a whale
the Titanic
/ta t n k/
Mount Qomolangma
Fendouzhe
/da v/ v.潜水
We know some basic facts about the ocean depths from the infographic. Now a class is asking a deep-sea researcher some questions after his talk.
□ where the deep sea begins
□ why people are researching the deep sea
□ which Chinese submersible dived deeper in the water than many others
□ what deep-sea animals are like
□ how everyone should protect the deep sea
Listen and tick the topics they discuss.
2b
Circle the key words
/ s b m s bl /
(1) People still don’t know much about the ___________________.
(2) In ________, China’s Fendouzhe dived into the deep sea and filmed it.
(3) Some animals have unusual abilities. Some are ________ but can “see”.
Some can even create their own ________.
(4) There is rubbish even at ________ metres deep.
deep sea / ocean floor
2020
blind
light
11,000
Listen again. Complete the sentences with the facts from the conversation.
2c
Listening tip
Find the key words. When you hear them, pay close
attention — the answer is usually nearby.
Sentence 1
Sentence 2
Sentence 3
why people are researching the deep sea
which Chinese submersible dived deeper in the water than many others
what deep-sea animals are like
Curiosity: It is the largest part on earth, and we still don’t know much about it.
Amazing Life: It is home to unusual animals.
Protection: Human activities affect everywhere. We should do something about
it and protect our home.
…
Why is it important to research the deep sea

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