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(共25张PPT)
Unit 4 The Wonders of Nature
Lesson 6 Section B 2a–2c
1. Review and retell.
“The Spokesman of Natural Wonders”
Mount Qomolangma
Where:
Environment:
Famous for:
Achievements made by Chinese climbing teams:
I’m the spokesman
of Qomolangma.
on the border of China and Nepal
a temperature of –30 degrees, thin air, high cliffs, changeable weather
the world’s highest mountain (8848.86 m)
1960 (Brought a national flag to the top);
1975 (Brought a ladder); 2020 (Measured its height)
Be a spokesman of natural
wonders by preparing in
stages: vocabulary →
sentences → passages.
2. Learn new words in the sentences.
Word Phonetic symbol Sentence
risky / r ski/ It’s risky to play near the busy road.
southern / s n/ Southern China has more rain in summer.
located /l ke t d/ Our classroom is located on the second floor.
freshwater / fre w t (r)/ There are many freshwater lakes in this area.
type /ta p/ This type of fruit tastes sweet and juicy.
2. Learn new words in the sentences.
Word Phonetic symbol Sentence
attract / tr kt/ Bright lights attract moths (飞蛾) at night.
curious / kj ri s/ The curious cat kept watching the moving ball.
traveller / tr v l (r)/ The traveller carried a big backpack for his trip.
natural / n t r l/ We should protect natural resources like forests.
underwater / nd w t (r)/ Underwater plants provide food for small fish.
2. Learn new words in the sentences.
Word
risky
southern
located
freshwater
type
attract
curious
traveller
natural
underwater
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
D
H
C
G
J
I
B
A
F
E
English explanation
A. a person who goes on trips or visits other places
B. wanting to know about something
C. in a particular place
D. full of danger; not safe
E. existing or happening below the surface of water
F. from nature; not made by humans
G. of water that is not salty (e.g. in lakes or rivers)
H. relating to the south part of a place
I. to make someone or something come to you
J. a kind or sort of something
3. Match the words on the left with their opposites on the right.
______(1) below
______(2) common
______(3) low
______(4) dead
______(5) top
______(6) northern
______(7) risky
______(8) survive
/ p z t/
A. safe
B. bottom
C. southern
D. above
E. unusual
F. living
G. high
H. die
/ s n/
反义词
below
above
common
unusual
low
high
dead
living
top
bottom
northern
southern
risky
safe
survive
die
D
E
G
F
B
C
A
H
4. Fill in the blanks with the correct words in brackets.
(1) The Amazon River mainly flows through the _______ (northern / southern)
part of South America (hint: it’s closer to the equator).
(2) In the rainy season, the Amazon’s water level becomes _______ (high / low)
— it even covers nearby ground.
(3) _______ (Above / Below) the river’s surface, you can see birds flying over the
water.
(4) In the Amazon, you’ll find many giant water lilies — they are _______ (common
/ unusual) there.
Practise and master opposites in context.
Tip 1
northern
high
Above
common
4. Fill in the blanks with the correct words in brackets.
(5) Jaguars like to rest on the ______ (top / bottom) of tall trees, so they can watch
for food.
(6) The ______ (living / dead) trees along the Amazon provide homes for millions
of animals.
(7) Getting too close to wild crocodiles in the Amazon is ______ (risky / safe).
(8) If we protect the Amazon, more species will ______ (survive / die) in their
natural home.
Practise and master opposites in context.
Tip 1
top
living
risky
survive
5. Categorize the words.
/ k t ɡ ra z / 分类
below
common
low
dead
top
northern
risky
survive
above
unusual
high
living
bottom
southern
safe
die
adj.
adv.
v.
prep.
n.
common — unusual; low — high;
dead — living; northern — southern;
risky — safe
low — high; below — above
survive — die
below — above
top — bottom
6. Read and think.
How far is it from your home to school
How heavy is a blue whale
How large is your country
How often do you exercise
How far is it from your home to school
How heavy is a blue whale
How large is your country
How often do you exercise
How + adv. + do(助) + subject + v.
How + adj. + be + subject
To ask about a person’s or thing’s attributes, feelings, or conditions
询问人或物的属性、感受或状况
To ask about the details of an action, including its manner, frequency, or timing
询问动作的细节，包括进行方式、频率或时间
7. Make more sentences using how and the words in the box.
long high deep low fast soon
adj. & adv.
adv.
(1) _____________________________________________________
(2) _____________________________________________________
(3) _____________________________________________________
(4) _____________________________________________________
(5) _____________________________________________________
(6) _____________________________________________________
How long
How high
How deep
How low
How fast
How soon
is the river
is the mountain
is the deepest part of the river
is the temperature outside
is the flow speed of the Amazon River
will the next rainy season arrive
/ have local people lived there
/ can the birds fly
/ can the researchers dive
/ do the clouds hang over the mountain
/ can the cheetah run
adj. or adv.
8. Ask and answer more questions using “how + adj. / adv.” with your partner.
How far is it from your home to school
Master the “How + adj. / adv.” sentence pattern through short dialogues.
Tip 2
I ride a bike to school three times a week.
My home is 5 kilometres far away from school.
How often do you ride a bike to school
Located in Siberia, Russia, Lake Baikal is one of the world’s most famous lakes. It is the
_______ freshwater lake in the world. To reach the bottom, you must _______ 1,620
metres! It is also larger than most other lakes. Its _______ covers 31,500 square kilometres.
That is bigger than the country of Belgium! Lake Baikal is cold most of the year. But over
1,200 different types of animals can still _______ in this environment. Today, the lake still
attracts many curious travellers. After all, it is a great natural ________!
9. Complete the passage with the of the words in the box.
deep survive wonderful surface dive
correct forms
adj.
v.
adj.
n.
v.
9. Complete the passage with the of the words in the box.
deep survive wonderful surface dive
correct forms
adj.
v.
adj.
n.
v.
deeply
depth
deeper
deepest
survives
survived
surviving
survival
survivor
wonderfully
more wonderful
most wonderful
wonder
surfaces
dives
dived
diving
diver
9. Complete the passage with the of the words in the box.
deep survive wonderful surface dive
correct forms
adj.
v.
adj.
n.
v.
deepest
dive
surface
survive
wonder
A Great Wonder of Nature
Located in Siberia, Russia, Lake Baikal is one of the world’s most famous lakes. It is the
_______ freshwater lake in the world. To reach the bottom, you must _______ 1,620
metres! It is also larger than most other lakes. Its _______ covers 31,500 square kilometres.
That is bigger than the country of Belgium! Lake Baikal is cold most of the year. But over
1,200 different types of animals can still _______ in this environment. Today, the lake still
attracts many curious travellers. After all, it is a great natural ________!
10. Ask, answer, and complete the information card of Lake Baikal.
When collecting information, focus on key details (location, type, size ...) of the place.
Tip 3
Lake Baikal
Where:
What:
Surface:
Climate:
Animals:
Siberia, Russia
the deepest freshwater lake in the world (1,620 m)
31,500 square kilometres
cold most of the year
over 1,200 different types
How many kinds of
animals live there
What is the climate like there
What kind of lake
is it
How large is the lake
Where is the lake
11. Extract the sentence structure for describing the natural wonder.
Where: Located in ______, ______ is one of the world’s most famous ______.
What: It is the _______ in the world.
Surface: Its surface covers _______ square kilometres.
That is bigger than the country of _______!
Climate: _______ is _______ of the year.
Creature: _______ can still survive here.
12. Introduce Lake Baikal as the spokesman of Lake Baikal.
Lake Baikal
Where:
What:
Surface:
Climate:
Animals:
Siberia, Russia
the deepest freshwater lake in
the world (1,620 m)
31,500 square kilometres
cold most of the year
over 1,200 different types
Located in ______, ______ is one of the world’s
most famous ______.
It is the ______ in the world.
Its surface covers ______ square kilometres.
That is bigger than the country of ______!
______ is ______ of the year.
______ can still survive here.
13. Be the spokesman of a natural wonder.
(1) The Amazon River mainly flows through the northern part of South America.
(2) In the rainy season, the Amazon’s water level becomes high — it even covers
nearby ground.
(3) Above the river’s surface, you can see birds flying over the water.
(4) In the Amazon, you’ll find many giant water lilies — they are common there.
(5) Jaguars like to rest on the top of tall trees, so they can watch for food.
(6) The living trees along the Amazon provide homes for millions of animals.
(7) Getting too close to wild crocodiles in the Amazon is risky.
(8) If we protect the Amazon, more species will survive in their natural home.
—Amazon River
Amazon River
Where:
Length:
River area:
Plant and animal:
South America
about 6,400 km
about 7 million sq. km
over 40,000 plant types;
many unusual animal species
More specific information for you!
Where & Water:
flows through northern South America;
rainy for half the year
Plants & Animals:
water lilies ...
Why protect it:
protecting the Amazon helps more species survive in nature
13. Be the spokesman of a natural wonder.
—Amazon River
Located in ________________, the ______________ is one of the world’s most amazing natural wonders. It is the world’s ____ river — up to ____ wide in rainy seasons.
It is about _________ long, with an area covering _______ square kilometres. That’s even bigger than the whole country of ______! It is ________ the year here. But this wet environment feeds _____________ plants, like the _______. Many ________ live here too, and the ____________ are home to millions of them.
The Amazon is precious, but it’s now in danger. Let’s protect it. This way, more plants and
animals can survive here, and this wonderful natural wonder can stay amazing forever!
13. Be the spokesman of a natural wonder.
—Amazon River
End your introduction with a protection appeal to make your speech more influential.
Tip 5
To introduce natural wonders, follow this structure: Name → Location → Key features.
Tip 4
Located in Northern South America, the Amazon River is one of the world’s most amazing
natural wonders. It is the world’s widest river — up to 11 km wide in rainy seasons.
It is about 6,400 km long, with an area covering about 7 million square kilometers. That’s even bigger
than the whole country of France! It is rainy for half the year here. But this wet environment
feeds over 40,000 kinds of plants, like the water lilies. Many unusual animals live here too.
The Amazon is precious, but it’s now in danger. Let’s protect it. This way, more plants and
animals can survive here, and this wonderful natural wonder can stay amazing forever!
Name & Location
Key features
The appeal for natural wonders
14. Make a peer-assessment.
Items Requirements Scores
Language No grammar mistakes Use words you learnt today ☆☆☆
Content Include basic information about the natural wonders ☆☆☆
Structure Organize content in a clear way ☆☆☆
Expression Speak confidently and fluently ☆☆☆
15. Think further about the big question.
How do we connect with nature
Nurture small natural spaces
Act as a nature spokesman
Track nature’s changes over time
Use no phones, enjoy nature
Roll up sleeves for conservation
Explore and learn about local ecosystems
Caring for and engaging with
nature—whether by tending
small spots, speaking up for it,
or exploring its beauty—helps
us build a close, kind bond with
the natural world.
16. Class evaluation
Checklist I can identify and use opposites properly in sentences. ☆☆☆
I can use “How + adj. / adv.” to ask about people’s or things’ features, states, and how they do actions. ☆☆☆
I can find key information of Lake Baikal quickly and introduce it logically and briefly. ☆☆☆
I can modify the example to introduce another natural wonder. ☆☆☆
I can link the natural wonder introduction to simple ways to connect with and protect nature. ☆☆☆
Homework
Make a one-page, nature-themed English vocabulary journal based on the nature wonder spokesman role.
e.g. Traveller— As the Amazon’s
spokesman, I welcome every
traveller to explore its wonderful
scenery.

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