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(共16张PPT)
Unit 4 The Wonders of Nature
Lesson 2 Section A 2a–2d
1. Think and share.
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
2. Complete the sentences with the information from the picture.
Do you have any questions
(1) Fendouzhe
reached ____.
(2) The deep sea
　 begins at ____.
(3) The Titanic
　 rests at ____.
(4) A whale can
　 dive to ____.
Depth of the
Mariana Trench
D
A
C
B
3. A class is asking a deep-sea researcher some questions after his talk. Guess the
topics they discuss.
□ 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
deep-sea researcher
4. A class is asking a deep-sea researcher some questions after his talk. Listen and
tick ( ) the topics they discuss.
□ 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
5. Listen again. Complete the sentences with the facts from the conversation.
(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
Listening tip
Find the key words. When you hear them, pay close
attention — the answer is usually nearby.
2020
blind
light
11,000
6. For each topic you selected in 2b, find the relevant information in 2c.
(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

Sentence 1
why people are researching the deep sea
Sentence 2
which Chinese submersible dived deeper in the water than many others
Sentence 3
what deep-sea animals are like
What does “it” refer to

Can you raise a question for Sentence 4
7. Listen again and find more information.
(1) Why are people researching the deep sea
___________ is one reason.
People still don’t know much about the ocean floor.
(2) Which Chinese submersible dived deeper in the water than many others
China’s Fendouzhe dived into the deep sea and filmed ________________.
(3) What deep-sea animals are like
Some animals have unusual abilities. Some are blind but can “see”.
Some can even create their own light.
(4) ________________________________________
There is rubbish even at 11,000 metres deep.
Depth of the
Mariana Trench
Curiosity
the Mariana Trench
What are some other surprising facts about the deep sea
Ms Gao: Thank you for the wonderful talk, Mr Jones. _____
Emma:　 I do! _____
Mr Jones: Well, curiosity is one reason. We don’t know enough about the
　　　　ocean floor.
Fu Xing: I remember that in 2020, China’s Fendouzhe dived deeper into
　　　　the Mariana Trench than many other submersibles in the world
　　　　and filmed it. But I didn’t see any deep-sea animals. _____
Mr Jones: Well, many deep-sea animals are large and unusual. Some animals
　　　　are blind, but they can “see” as well as others. Some even create
　　　　their own light!
Peter:　 Cool! _____
Mr Jones: Did you know that there’s rubbish even at 11,000 metres deep
　　　　That shocked many people.
Ms Gao: That’s terrible! We should do something about it.
Mr Jones: You’re right!
Ask about geography facts
8. Choose the proper expressions to complete the conversation.
A. Are there any other surprising
facts about the deep sea
B. Why are so many countries
researching the deep sea
C. Now, does anyone have any
questions
D. What are they like
C
B
D
A
9. Read the conversation. Work in pairs and mark the sentences with different
functions (功能).
Talk about reasons
Talk about features (特征)
Ask for more information and give an answer
Give an opinion
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any
　　　　questions
Emma:　 I do! Why are so many countries researching the deep sea
Mr Jones: Well, curiosity is one reason. We don’t know enough about the ocean floor.
Fu Xing: I remember that in 2020, China’s Fendouzhe dived deeper into the Mariana
　　　　Trench than many other submersibles in the world and filmed it. But I
　　　　didn’t see any deep-sea animals. What are they like
Mr Jones: Well, many deep-sea animals are large and unusual. Some animals are blind,
　　　　but they can “see” as well as others. Some even create their own light!
Peter:　 Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there’s rubbish even at 11,000 metres deep That
　　　　shocked many people.
Ms Gao: That’s terrible! We should do something about it.
Mr Jones: You’re right!
10. Listen to the conversation again and pay attention to the speakers’ emotion
(情绪). Then role-play it.
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions
Emma:　 I do! Why are so many countries researching the deep sea
Mr Jones: Well, curiosity is one reason. We don’t know enough about the ocean floor.
Fu Xing: I remember that in 2020, China’s Fendouzhe dived deeper into the Mariana Trench than many other
　　　　submersibles in the world and filmed it. But I didn’t see any deep-sea animals. What are they like
Mr Jones: Well, many deep-sea animals are large and unusual. Some animals are blind, but they can “see”
　　　　as well as others. Some even create their own light!
Peter:　 Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there’s rubbish even at 11,000 metres deep That shocked many people.
Ms Gao: That’s terrible! We should do something about it.
Mr Jones: You’re right!
11. Think further.
Why is it important to research the deep sea
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.
…
12. Think of more questions you would like to ask the deep-sea researcher.
Talk about reasons:
Why ...
Talk about features (特征) :
What are ... like
Ask for more information and give an answer:
Which ... / What is the ...
Are there any other … about ...
What else ...
Ask for opinions:
What do you think of ...
What should we do
Language bank
13. Suppose you are at a geography lecture, think of more you would like to ask
the deep-sea researcher. Make up a conversation with your group members.
Ask and answer geography facts
Section A What is amazing about nature
Talk about reasons:
Why ...
... is one reason. Because ...
Talk about features (特征) :
What are ... like
... are / can ...
Ask for more information and give an answer:
Are there any other ... about ...
What else ...
There is / are ...
Ask for opinions:
What do you think of ...
What should we do
I think ...
We should ...
Talk about natural wonders:
What is the ... in the world It’s ...
How ... is it It’s ...
Host:　　 Thank you for the wonderful
　　　　 talk. Now, does anyone have
　　　　 any questions
Student 1: I do! Why ...
Student 2: ... is one reason. Because …
　　　　　　　　 　
Student 3: What are ... like ...
(Researcher)
Checklist Talking about geography facts Content (内容) □ Ask questions about different aspects (方面) of the topic □ Share geography facts □ Summarize key points ☆☆☆
Language (语言) □ Use wh- questions to ask about geography facts □ Use superlatives to describe geography facts □ Use adjectives to express feelings and add details ☆☆☆
Performance (表现) □ Pronounce correctly, speak loudly and confidently ☆☆☆
14. Evaluate with the following checklist.
Homework
1. Research the answers for the questions in 2d.
What is the largest shark in the deep sea
What is the bottom of the deep sea like
2. Organize and practise your conversation with your partner.

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