资源简介

(共21张PPT)
5
Unit
A fine balance
Listening&speaking
2026新外研版九上
Learning Objectives
By the end of the lesson, you will be able to...
01
学生能够识记 logging、rainforest、solar panel、microphone 等核心单词;
02
掌握句中非重读虚词 (a/an, the, of, that) 的弱读发音规则，可以听懂雨林主题听力材料关键信息;
03
能够意识到非法砍伐对雨林的危害，树立保护热带雨林、守护自然环境的环保意识，学会欣赏创新发明解决环境难题。
Look and say.
1. What is the man doing
He is cutting down trees.
2. Where may this happen
It may happen in a forest.
Look and say.
3. Why does he do this
He may do this for sale or building houses.
4. How does this influence nature
Some animals may lose their homes. It does great harm to the environment.
Look and say.
1. What does logging mean
3. Why is it hard to notice logging in rainforests
2. How do you feel about logging
I think illegal logging is terrible. It damages the environment, destroys animals' homes and causes many environmental problems.
Because rainforests are huge, thick and covered with dense plants, so people cannot easily find out the cut down trees.
A class is having a geography lesson.
What do you think the teacher will talk about
Listen to the beginning of a lesson and choose the things mentioned.
a Where you can find rainforests.
b Why rainforests are important.
c What animals live in rainforests.
①
d Why rainforests are disappearing.
Enjoy the video:
Enjoy the video
Look at the picture and try to answer the questions.
1. What type of text is it
It's a quiz about rainforests.
②
2.What is a quiz used for
To test how much we know about something.
Challenger
Let's see how much you remembered from the first listening!
②
Listen again and tick True or False.
Play games
Quiz Master
Challenger
Challenger
Rainforests are called the “heart of the earth”.
Challenger
False! They are called the “lungs of the earth” because they produce oxygen.
Look at the picture and try to answer the questions.
②
What key words might you hear about why rainforests are important
be important to sb. 对某人很重要
be called 被称作
control the world's climate 调控全球气候
cut down trees 砍伐树木
make space for… 为…… 腾出空间
square kilometre 平方千米
Phonetics in use
②
1. We should protect nature because we only have one earth.
2. Nature gives us clean air to breathe, fresh water to drink, and food to eat.
3. When we take care of nature, we're also taking care of ourselves.
Listen and decide which words are unstressed.
Now listen again and repeat.
③
Listen to the radio programme and complete the notes.
A radio programme is introducing a useful way to protect rainforests.
problem
solution
how it works
result
③
Listen to the radio programme and complete the notes.
A radio programme is introducing a useful way to protect rainforests.
1. against
2. difficult
3. ears
4. mobile phone
5. tied
6. catches the noise
7. the place
8. 10 /ten
against the law：违法、触犯法律
logging n.（林木）采伐、伐木
solar panel：太阳能板
microphone n. 麦克风
catch the noise：捕捉声响
forest guards：护林员
Work in pairs. Talk about Topher White and his invention.
④
A: Logging in rainforests is a big problem.
What did Topher do to help
B: He invented a tool that uses an old mobile phone, a solar panel and a microphone to stop illegal logging.
A: How does it work
B: It works like this: First, the invention is tied to trees. Next, an app on the mobile phone starts listening. When it catches the noise of cutting down trees, it sends an alarm to the forest guards. The guards can soon find the place and stop the logging.
A: What do you think of this invention
B: That's really clever! It's a simple idea, but it has helped save a lot of rainforests.
Sample
④
Work in pairs. Talk about Topher White and his invention.
What have you learnt about protecting nature
Summary
I learn illegal logging harms rainforests. Everyone should take action to protect our natural environment.
Homework
熟读本课全部生词；朗读 5 遍带有冠词、介词的短句，练习虚词弱读；
录制 1 分钟音频，口述整套雨林监测装置的工作流程。
Must do
Choose to do

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