Unit 8 Lesson 43 Let’s Clean Up! 课件 (共21张PPT)2023-2024学年冀教版英语八年级下册

(共21张PPT)
Unit 8
Lesson 43 Let’s Clean Up!
新课导入
When is World Environment Day
What should we do on World Environment Day
Free talk
1.能熟悉并能正确运用本课时的重点单词和短语
2.能用英语谈论垃圾及其危害
3.能掌握it的基本用法
预习检测
1.The boy 　　　　a stone and threw it at the dog.
A.looked at　　　 B.took away　　
C.picked up　　　D.looked up
2.Tom doesn’t understand you, because he only knows 　　　English.
A.a few B.a little of
C.a bit of D.a lot
C
C
3.It is a day to draw our attention______the environment.
A.to B.at C.with D.for
4.Tom finished_______his homework in half an hour.
A.do B.to do C.does D.doing
5.I don’t understand what he means. Can you_______it to me
A.explain B.help C.prepare D.trust
A
D
A
attention to sth. 对……关注
draw one’s attention to sth. = make sb. notice sth.
Attention should be paid to the environment.
Jenny successfully draws everyone’s attention to her.
pollution
cause pollution 导致污染, stop pollution 阻止污染,
Pollution may be caused by rubbish, waste water and smoke, etc.
Rubbish is a type of pollution.
知识梳理
3. rubbish = garbage 垃圾
a rubbish (garbage) bag 垃圾袋
pick up rubbish (garbage), collect rubbish (garbage) 捡垃圾
4. explain sth. to sb. 向某人解释某事 explanation (n. 解释)
Jenny explained the plan to the class.
without explanation 不加解释
need an explanation for sth. 对……需要一个解释
5. clean v
1) clean up sth. 把……打扫干净
Let’s clean up the schoolyard.
2) a clean-up 一次大扫除
The classroom needs a clean-up.
3) clean the floor 擦地板
Etta uses her old skirt to clean the floor.
6. What about… VS. How about …
1). 表达提成某种建议，两者通用。
- I’m thirsty. - What about some water
- I’m thirsty. - How about some water
- I missed the train. - How about taking a plane
2). 将某人引入谈话中
What about you, Annie Do you like football
3). 用了征询某人关于…的意见时
I’m leaving. How about you
我要走了。你走吗？
Annie来说说。
喝点水好吗？
坐飞机走怎么样？
it 的用法总结
It’s noon. Jenny, Brian and Danny are outside in the schoolyard.
Jenny: Today's June 5. It’s World Environment Day.
Brian: It’s a special day to draw people’s attention to the environment.
What shall we do today Look at all this rubbish.
Danny: What does “rubbish” mean I don’t know that word.
Brian: It means “garbage” in American English.
Danny: Oh, I see. There’s a lot of rubbish in the schoolyard.
We should pick up the garbage!
Jenny: Let’s do it now.
Danny: It would take too long. There are only three of us!
Jenny: We're studying pollution in class this week. Garbage is a type of pollution.
This could be a class project! We can ask our classmates to help us.
Brian: Good idea! Each student could clean up a bit of the schoolyard.
We could finish cleaning in an hour.
( Jenny explains the plan to the class. All the students agree to help.
They wear gloves and carry brown bags. They begin to pick up the garbage.)
Jenny: Danny, you lost your homework, right I think I found it.
Look at this piece of paper.
Danny: Oh, no!
World Environment Day began in 1972. It’s organized by the U.N.
every year in different countries. Its aim is to remind people to protect
the environment.
Learning tip
1). Jenny, Brian and Danny are going to do something on
World Environment Day. ( )
2). They are studying geography this week. ( )
3). They are going to pick up the garbage on the street. ( )
4). Jenny found Danny’s homework. ( )
1. Read the lesson and write true (T) or false (F).
F
T
F
T
1). Where are they talking
A. In the market. B. In the schoolyard.
2). What are they talking about
A. Picking up garbage. B. Playing soccer.
3). What is the class project about
A. Environmnent. B. Pollution
2. Listen and tick the correct answers.
J: Look at the sky. It’s always grey. We can’t even see the sky.
M: If this goes on, the birds will fly away and never come back.
J: Our river used to be very clean. But now look at the water. There is too much ________ left by the factories.
M: If this goes on, the fish will die. People should do something to stop
the _________.
J: I ______. Let’s do something to draw people’s _________ to this
problem. How about putting up a poster
M: Good idea. Jeff, I think our _______ is also quite dirty.
Let’s call our classmates to help clean it before the new term begins.
J: OK. We would finish ________ in an hour.
3. Complete the dialogue with the correct forms of the words in the box.
pollution rubbish schoolyard agree clean attention
rubbish
pollution
attention
agree
schoolyard
cleaning
4. Each World Environment Day has a theme. Here are some
examples. Can you think of your own theme for it
One Earth, One Family
For Life on Earth
Give Earth a Chance
Green Cities --- Plan for the Planet
Forests: Nature at Your Service
Green Economy: Does It Include You
2019
Less Rubbish, A Better World
观察并分析下列例句中it的用法
1. The earth is our home. We should keep it clean and beautiful.
2. It is our duty to protect the environment.
3. —We should pick up the garbage! —Let’s do it!
4. —How’s the weather today —It’s sunny and warm.
5. —How much is it —It’s 100 Yuan.
6. —How far is it —It’s about 10 miles away.
It 指天气
It 指金钱
It 指距离
it 指the earth
It 是形式主语，代替“to protect the environment”
It 指上一句“捡垃圾一事”
根据语境和it的用法填空
1. I bought a dictionary last year, and is very useful.
2. Tom used to be late for school, and made his teacher angry
3. is difficult to learn english well.
4. Money is useful, and we can't live without .
5. When winter comes, will be colder and colder.
it
it
It
it
it
活动小结
it在句中常见的用法：
1. 替带上一句中提到的 名词。
2. 替代前面 。
3. 放在句首做 。
4. 指代 等。
单数指物
整句话
形式主语
天气，时间，金钱，距离，价值
当堂检测
I e_______ the solution to my parents.
You cannot park the car in the _________ (校园).
The r______ should be thrown into the dustbin.
I need __ ___ ___(一点儿) cheese.
The new law will reduce p ______ of the rivers.
xplained
schoolyard
ubbish
a
bit
of
ollution
一. 根据首字母或汉语提示填空
6. Place the book back where you found it when you have
finished _______(读).
7. He e_______ to us how the machine was used.
8. The bus stopped several times to ____ ___ (接) passengers.
9. Could you please take out the g______
10. He brought out his knife and cut __ ____ ___ (一块)
bread into two.
reading
xplained
pick
up
arbage
a
piece
of
Unit 8
Lesson 43
重点短语：
1. draw one's attention
2. agree to
3. clean up
5. pick up
6. finish doing sth
7. a type of pollution
8. explain sth to sb
9. a bit of
重点单词：
1.schoolyard n.
2.attention n.
3.rubbish n.
4.garbage n.
5.pollution n.
6. explain v.