资源简介

(共33张PPT)
2024年牛津版
英语（七年级下）
Unit 3
Section 1 Listening and
Section 3 speaking
Trees and us
课堂教学目的
1
2
新课导入
3
Content
课堂活动
5
课堂训练
6
课堂小结
4
课堂重难点
课堂教学目的
1
2
课堂重难点
1.抓住听力材料中关于树如何交流的重要信息。
2.听取树的一些奇妙的功能。谈论如何保护树。
3.学习/bl/ /br/ /fl/ /fr/ /gl/ /gr/的发音以及拼读规则。
文化意识
课堂重难点
思维品质
课堂教学目的
1.听前预测，捕捉信息。树如何进行相互交流。
2.学生能理解段落层次，从而抓取重点信息及快速记录。
学生能认识到树木的重要性，学会保护树木资源，培养保护树木的责任意识。
学生能积极参与合作讨论，培养合作意识。
Listening
Why is it important for us to plant more trees
1. Trees keep the air cool and clean.
2.Trees take in harmful gases from the air.
3.Trees produce oxygen for us to breathe.
4. We get fruit and oil from trees.
5. A lot of the furniture is made of wood.
新课导入
3
What should we do to save trees
1.Tell others why trees are important.
2. We should stop cutting down trees.
3. We should plant more trees.
4.Use fewer products made of/from wood.
What else do you know about trees
It’s amazing that trees can help each other. Do you know how they help each other
Trees help each other
How trees help each other.
Trees have very long roots, and they use them to communicate with their neighbours.
They use roots to communicate with each other.
How trees help each other.
Older trees give younger trees food and water. Younger trees also help older trees survive
How trees help each other.
Trees can share things with trees from the same species. And some trees also help their neighbours.
Help different species.
Help the same species.
Different trees join their branches and leaves together to prevent strong winds. They grow better and stronger together.
新课活动
4
How amazing are trees！
Think
Amazing trees
(1) How do trees communicate with one another
They use their roots to communicate with each other.
(2) Do trees have families and relatives like us
Yes. Older trees give younger trees food and water. Younger trees also help older trees survive
(3) What makes trees grow better and stronger
Different trees join their branches and leaves together to prevent strong winds. They grow better and stronger together.
□ Famous trees in China □ Trees and people □ Trees help each other
2 Listen to the podcast The Natural World and tick ( ) the main topic of it.

3 Listen again. Decide whether the following statements ore true (T) or false (F).
(1)Trees use their branches to communicate with each other. T/ F
(2)Trees can ask each other for help when bad things happen to them. T/ F
(3)Older trees and younger trees help each other. T / F
(4)Healthy trees help sick trees. T / F
(5)Most trees share things with trees from different species. T / F
(6)It is harmful when the branches and leaves of trees join together. T/ F





(1)Trees use their branches to communicate with each other. T/ F
(2)Trees can ask each other for help when bad things happen to them. T/ F
(3)Older trees and younger trees help each other. T / F
(4)Healthy trees help sick trees. T / F
(5)Most trees share things with trees from different species. T / F
(6)It is harmful when the branches and leaves of trees join together. T/ F





roots
same
helpful
4 What other amazing facts do you know about trees Share your facts with your classmates.
1.Trees have very long roots and use them to communicate with
their neighbours.
2.Older trees give younger trees food and water, and younger trees
help older trees survive.
3.When one tree becomes ill, the healthy trees around it will try to help.
4.Most trees only share things with trees of the same species, but
some trees help non-relatives too.
5.When trees' branches and leaves join together, they don't need
to worry about strong winds and grow better and stronger.
Some other amazing facts about trees :
1.Some trees can live for thousands of years and witness long historical changes.
2.Trees provide crucial breathing support for creatures on Earth by releasing oxygen.
3.The tree rings can reveal past climate and environmental conditions.
4.Some trees can self-repair damaged parts, showing strong vitality.
Amazing Trees
Good evening. Thanks for joining me in this week's The Natural World. I'm Rebecca. For the next four weeks we'll talk about trees around us. And today's topic is about how trees help each other. Being a tree can be difficult, but trees have found ways to make it easier for one another. In fact, trees are not alone. They have very long roots, and they use them to communicate with their neighbours. When something bad happens to a tree, it may be able to send a message through its roots. Then the other trees will try to help it. Did you know that, like us, trees also have families Older trees give younger trees food and water. Younger trees also help older trees survive. When one tree becomes ill, the healthy trees around it will try to help.
Read the listening material and check your answers.
Most trees only share things with trees from the same species. However, some trees always help their neighbours, even if they aren't their relatives. Trees know they are stronger together. When their branches and leaves join together, they don't need to worry about strong winds. Together they grow better and stronger. Aren't trees amazing That's all for today. Next week I'll talk about famous trees in China. What are they Think of your favourite and join me next Tuesday to find out more.
Speaking
How can we save trees
Think
Trees are important to us. Talk in groups about how we can save trees. Look at the example and use the list below to help you.
What we can do to save trees:
Tell others why trees are important.
Call on people to stop cutting down trees.
Reuse paper.
Buy forest-friendly products.
Plant trees.
We should find ways to use less paper. For example, we can reuse paper—we should write or print on both sides. Besides, we can borrow books from the library or share books with friends and classmates....
Read the following words.
black　class　floor　glass　plane
/bl/　 /kl/　 /fl/　 /gl/　 /pl/　
bread　cry　friend　grass　pretty
/br/　 /kr/　/fr/　 /gr/　 /pr/
Practice saying the following sentences.
Our classrooms are clean and bright.
He speaks quite quickly.
3. Twinkle, twinkle, little star.
4. Twenty green bottles stand on the table.
5. The boys often play on the grass after class.
课堂小结
5
1.We have listened to a podcast about how trees help each other.
2. We have learned to say / bl / / br/ / fl/ / fr / / gl / / gr / and / kl / sounds.
3. We have learned to talk about how to save trees.
一、找出每组划线部分发音与其他三项不同的一项。
( )1. A. glass B. grade C. green D. great
( )2. A. class B. clock C. cry D. clean
( )3. A. flow B. free C. flower D. fly
( )4. A. black B. blue C. brown D. blouse
( )5. A. bright B. brother C. bring D. blonde
D
A
C
B
C
课堂训练
6
二、根据实际情况回答下列问题。
1. Why are trees important to us
2. What can we get from trees
3. How can trees help clean the air
4. What amazing facts do you know about trees
5. How can we save trees
三、根据首字母完成单词。
1.Trees use roots to c_________ with each other.
2.The little plant managed to s_________ in the hard environment.
3. The monkey jumped from one b_________ to another in the forest.
4. We should s_________ our happiness with friends.
5. Different trees join together to prevent strong w_________.
6. You should write on both s_________ of paper to save resources.
7. They are trying to improve the quality of their p_________.
8. I often b________ books from the library.
9. When something bad happens to a tree, it may be able to send a message through its r________.
10. Some trees always help their n________, even if they aren't their relatives.
communicate
survive
branch
share
winds
sides
products
borrow
roots
neighbours
四、完成句子
1.感谢你来参加我的聚会。
______ ______ ______ coming to my party.
2.做一棵树可能很难，但树已经找到了让彼此更容易相处的方法。
Being a tree can be difficult, but trees have found ways____ ____ _____ easier for ______ _______.
3.当一棵树发生不好的事情时，它可能能够通过树根发送信息。
When _____ _______ happens to a tree, it may ___ ___ ___ send a message through its roots.
4.当它们的树枝和叶子连接在一起时，它们不需要担心强风
When their branches and leaves join together, they____ ___ ____ ___ ____ strong winds.
5.今天就讲到这里。下周我将谈论中国著名的树木。
_____ _____ ______today. Next week I'll _____ _____ famous trees in China.
Thank you for
something bad be able to
don't need to worry about
That's all for talk about
to make it
one another
三、补全对话
A: Hello, Amy. What are you going to do this Sunday
B: Oh, I’m going to plant trees with my classmate, Bob.
A: That’s great! 1 It’s not good for our environment.
B: So we should do something to protect (保护) our environment.
A: I agree with you. Where are you going to plant trees
B: ____2_____
A: How are you going there
B: 3 It’s not far from our school.
A: Are you going to take any food with you
B: Yes, we are____4____
A: What will the weather be like that day
B:_____5____
A: Good! I hope you have a good day!
B: Thank you very much.
A. On the South Hill.
B. We will have lunch there.
C. Sometimes I see blue skies in my city.
D. We are going to walk there.
E. The radio says it’s going to be sunny.
F. Will there be more and more trees
G. Now trees are becoming fewer and fewer.
G
A
D
B
E

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