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Unit 4 The Wonders of Nature
(新人教)英语
八年级下册
Section A (OP-1a-1d)
八年级英语备课组
Look and Share
1. Do you know the name of the waterfall in the
photo Where is it
It is Victoria Falls.
It’s on the Zambezi River in southern Africa.
2. What do you think is special about it
I think it is large and wide.
It’s one of the natural wonders in the world.
3. What other natural wonders do you know
Yangtze River, the Great Wall,
Mount Qomolangma, ... ...
[z m bi:zi]
[ n t r l w nd z]
What other natural wonders do you know
Lead-in
Mount Qomolangma
Dead Sea
Sahara Desert
Yangtze River
Great Barrier Reef
Mariana Trench
[ t m lɑ m ]
[s hɑ r ]
[ b ri ri:f]
[ m ri n trent ]
What is special about each place
the highest
the lowest
the largest
the third longest
the biggest
the deepest
Match the places with the pictures.
1a
Pre-listening
____Nile River ____Angel Falls ____Mount Qomolangma
____Dead sea ____Sahara Desert ____Mariana Trench
F
A
D
C
E
B
A
B
C
D
E
F
[na l]
[ t m lɑ m ]
[ e nd l]
[s hɑ r ]
[ m ri n trent ]
What is amazing about each place
While-listening
1b
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
What do they have in common
Mount Qomolangma is the highest mountain in the world.
the + 最高级 + 介词短语
8,848.86
[ t m lɑ m ]
[s hɑ r ]
[ m ri n trent ]
Let's learn
How to read large numbers
416 8,848.86 11,000 9,000,000
416:
8,848.86:
11,000:
9,000,000:
four hundred and sixteen
eight thousand,eight hundred and forty-eight point eight six
eleven thousand
nine million
三位数及以内的数字直接按数字本身进行读写；
三位数以上的数字从右往左，每三位用逗号分隔，形成分级单位：
e.g. 1, 234, 567, 891. 02
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
billion
million
thousand
point
and
zero two
While-listening
1c
Listen again. Complete the measurements with the numbers below.
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
km2 平方千米
海平面
基数词 + 单位词 + 形容词（long, wide, high, deep等）
/介词短语（in size, below sea level等）
Read and retell
highest mountain
biggest desert
lowest place
deepest point
8,848.86
9,000,000
416
11,000
Mount Qomolangma is the highest mountain in the world. It is 8,848.86 metres high.
[ t m lɑ m ]
[s hɑ r ]
[ m ri n
trent ]
four hundred and sixteen
eight thousand,eight hundred and forty-eight point eight six
eleven thousand
nine million
Read and learn
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!
Ask about natural wonders
Ask about measurement
Give feedback
Post-listening
Talk about the places you have learnt about.
1d
A: What is ____________ in the world/ on earth/ in the ocean
B: It's _____________ .
A: How high/ deep/ big/ low is it
B: It's __________ high / deep/ square kilometres (in size) ... .
It’s the Dead Sea.
What’s the lowest place on earth
Its surface is 416 metres below sea level.
How low is it
Now, what’s the deepest point in the ocean
... ...
Summary
Ask about natural wonders
Talk about geography facts
Give feedback (反馈)
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!
No, sorry./ Wrong.
That’s right/ correct!
Well done! /
Thinking
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 they show the great power of nature.
Because people enjoy exploring and discovering new things.
Because humans want to learn more about the world.
Exercise
单词填空。
1. The Great Pyramid is a great ___________ (奇观) of the ancient world.
2. We need to get the exact ____________ (测量数据) of the room before buying the carpet.
3. The temperature today is five degrees ___________ (低于) zero.
4. The water __________ (水平面) in the lake is rising because of the heavy rain.
5. The _________ (表面) of the moon is covered with dust and rocks.
6. Mount Qomolangma is the _________ (high) mountain in the world.
7. The Sahara is by far the __________ (large) hot desert on Earth.
8. What’s the __________ (deep) point in the ocean — It’s the Mariana Trench.
9. Scientists use special tools for the ___________ (measure) of the trench’s depth.
10. We looked at the stars and __________ (wonder) if there is life in space.
wonder
measurement
below
surface
level
highest
largest
deepest
measurement
wondered
Exercise
“世界之最”填空。
The Amazon Rainforest is one of the _______ (large) tropical rainforests in the world.
亚马孙雨林是世界上最大的热带雨林之一。
The Nile River is the _________ (long) river in the world.
尼罗河是世界上最长的河流。
Victoria Falls is one of the _____________ (beautiful) waterfalls on the planet.
维多利亚瀑布是地球上最美的瀑布之一。
The Great Barrier Reef is the _________ (long) coral reef system in the world.
大堡礁是世界上长的珊瑚礁系统。
The Mariana Trench is the __________ (deep) ocean trench in the world.
马里亚纳海沟是世界上最深的海沟。
largest
longest
most beautiful
longest
deepest
Homework
Must do：
Choose to do：
1. Recite the key words and sentences of this lesson.
2. Finish the conversation in 1d and then write it down.
Research one new natural wonder (e.g., the Amazon Rainforest, the Great Barrier Reef) and make an information card with:
Its name; One superlative fact; One measurement
THANK YOU

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