Unit 13 We're trying to save the earth! Section A (1a~2d) 课件(共39张PPT，内嵌音频)2023-2024学年人教版英语九年级全一册

(共39张PPT)
Unit 13
We're trying to save the earth!
Section A (1a~2d)
新
课
导
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Endangered
animals
Desertification
Natural
disasters
The world's problems
Pollution
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入
Pollution
What kind of pollution are they
noise pollution
water pollution
air pollution
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Free Talk
What caused air pollution,noise pollution and water pollution
Language Goal
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1. 能记住并正确运用本课时的重点单词和短语
2. 能运用关于环境污染的词汇及句式清楚地
表达环境问题及解决方法
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
新知学习
课堂小结
当堂检测
学习目标
重点研讨
The general idea of the conversation is about__________.
A.health problems
B.air pollution
C.water pollution
Pre-listening
Listen and answer the questions.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1b
Listen and complete the sentences.
What was the problem
The river was __________. Even the
bottom (底部) of the river was full of
_________. There were no more ______
for fishermen (渔民) to catch.
really dirty
rubbish
fish
新知学习
课堂小结
当堂检测
学习目标
重点研讨
What caused the problem
People are throwing _______ into the
river. Factories are putting ______ into
the river.
How should the problem be solved
We should write to the __________ and
ask them to ___________ the factories.
Everyone should help to ________ the
river.
litter
waste
government
close down
clean up
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Listen again and answer the questions.
What does Tony want to do later this afternoon
Why doesn’t Mark want to go with Tony
How was the river in the past
He wants to go swimming with Mark in the river later this afternoon.
Because the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch.
It used to be so clean. It has been the nicest river in this town.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1c
Role-play the conversation.
E.g.
Mark: The river was dirty. Even the bottom
of the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are throwing litter
into the river.
Tony: Everyone in this town should play a
part in cleaning it up!
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Consolidation
Tony wants to go _________ in the river with Mark this afternoon. But Mark doesn’t want to go, _______ he went there last weekend and the river was really ______. Even the ______of the river was full of _______, and there were no more fish for fishermen to _______.
Tony thinks the river used to be so ______. It has always been the _______(nice) river in this town. Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the __________ (政府）and hope that it could _________ (关闭）the factories. They also think that everyone should help to ________ (清理 )the river and play a ______ (发挥作用） in protecting the environment.
swimming
because
dirty
bottom
rubbish
catch
clean
nicest
litter
waste
government
close down
clean up
part
Retell the conversation.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2a
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution
B. air pollution
C. noise pollution
D. water pollution
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2b
Listen again and complete the sentences.
The air is badly polluted because there are __________ on the road these days.
Factories that burn coal also _______ the air with a lot of black smoke.
There is also too much rubbish and waste. People ________________ things every day.
People are also littering in ____________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1. Who is the interviewer talking to
2. What are they talking about
3. What other problems do they see
Susan and Jason.
The environmental problems.
There’s too much rubbish and waste in the streets.
Listen again and answer the questions.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Pair work
2c
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see the stars in the sky.
The problem is that there’re more cars on the road these days and factories that burn coal also pollute the air with a lot of black smoke.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2d
Read the conversation and complete the chart.
Problems Solving problems
air pollution
waste pollution
rubbish
take the bus, subway or ride a bike instead of driving
bring a bag to go shopping, never
take wooden chopsticks or plastic forks but use the ones at home while buying takeway food
throw rubbish in the bins
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2d
Role-play the conversation.
Interviewer: Jason and Susan, what are your ideas for
solving these problems
Jason: Well, to cut down air pollution, we should take the
bus or subway instead of driving.
Susan: Yeah, or ride a bike. There are other advantages of
bike riding. It’s good for health and it doesn’t cost
anything!
Interviewer: Great ideas! What about waste pollution
Susan: Mmm, I think simple things like bringing a bag to go
shopping can help. I started doing that a year ago.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Jason: Me, too. Also, I never take wooden chopsticks or plastic
forks when I buy takeaway food. I use the ones at home.
Susan: And remember to throw rubbish in the bins and keep
public places clean and beautiful for everyone.
Interviewer: So together, our actions can make a
difference and lead to better future!
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Group work
What should we do to save the earth
Discuss in groups.
发出倡议书
Make a proposal
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Turn off the lights when you leave a room.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Reduce driving cars
新知学习
课堂小结
当堂检测
学习目标
重点研讨
stop using paper towels or napkins n. 餐巾, 餐巾纸
新知学习
课堂小结
当堂检测
学习目标
重点研讨
recycle books and paper
v. 回收利用; 再利用
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Language points
1
We’re trying to save the earth!
我们正在竭尽全力拯救地球!
try to do sth.=try one’s best to do sth.
努力去做某事。
e.g. Every student should try to study hard in order
to study in a good university. 为了进入一所好
大学学习，每个学生都应该努力学习。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2
Here are some words related to different kinds of pollution.这里有一些与不同类型的污染有关的词。
be related to 与……有关
e.g. I am not related to him in any way.
我和他无任何关系。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
3
Everyone in this town should play a part in cleaning it up!这个镇上的每个人都应该参与清理工作！
play a part in 在……方面起作用
e.g. A good diet plays a large part in helping people live
longer. 健康的饮食在帮助人们长寿方面起着
非常大的作用。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
4
Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter和rubbish都可指“垃圾”，用作不可数名词。
rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。
e.g. Throw the rubbish out.
把垃圾扔出去。
　　The room is full of rubbish.
房间里堆满了垃圾。
　　Pick up your litter after a picnic.
野餐后将废弃物收拾好。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
5
This is turning beautiful places into ugly ones.
这将美丽的地方变成丑陋的地方。
turn… into… 把……变成……
e.g. The icy rain seemed like to turn into snow.
冻雨似乎又变成雪花的模样。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
6
It’s good for health and it doesn’t cost anything!
它有益于健康，而且不花任何费用！
cost v. 花费；使付出指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。
e.g. The new shirt cost Mr. Wang 200 yuan.
王先生花了200元买了新衬衫。
How much does the new computer cost
新电脑花了多少钱？
新知学习
课堂小结
当堂检测
学习目标
重点研讨
【拓展】take, spend, pay & cost
1) take多表示花费时间，常用于It takes sb. some time to do sth.这一句型中，其中it作形式主语。
e.g. It usually takes me 40 minutes to cook the dinner.
2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。
e.g. David spent 2,000 yuan on the new machine.
My father spends an hour (in) watching the news
on TV every day.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
3) pay多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.句型。
e.g. Tommy paid 20 yuan for his breakfast yesterday.
4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money句型。
e.g. The new dress cost Linda 88 yuan.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
7
So together, our actions can make a difference and lead to a better future!
make a difference (to…) (对……)产生影响或作用
e.g. Do you think his words would make
any difference to the final decision
你认为他的话会对最后的决定产生影响吗？
The new teacher always encourages little
Tom. This has made a big difference to him.
新来的老师总是鼓励小汤姆。这对他影响很大。
能运用关于环境污染的词汇及句式清楚地表达环境问题及解决方法
重要短语：
try to do sth.=try one’s best to do sth. 努力去做某事。
be related to 与……有关
play a part in 在……方面起作用
play a part 在……中扮演角色
turn… into… 把……变成……
make a difference (to…)
(对……)产生影响或作用
Unit 13
Section A (1a~2d)
新知学习
课堂小结
当堂检测
学习目标
重点研讨
新知学习
课堂小结
当堂检测
学习目标
重点研讨
一、根据句意用take, spend, pay或cost的适当形式填空。
1. That new car ________ them lots of money.
2. Mona ________ 50 yuan on the books just now.
3. It usually _____me an hour to do my homework.
4. You should _______some time practicing your pronunciation.
5. My brother _____ 6, 000 yuan for the new computer yesterday.
cost
spent
takes
spend
paid
新知学习
课堂小结
当堂检测
学习目标
重点研讨
二、根据汉语意思完成英语句子。
1. 工人们正在竭尽全力降低事故率。
The workers are doing all they can ___________ the accident rate.
2. 左边第二个房间里堆满了书。
The second room on the left is _______________ books.
3. 你应该向那些参与挽救病人的医生道谢。
You should say thanks to those doctors who
have _________________ saving the patient.
to cut down
full of / filled with
played a part in
新知学习
课堂小结
当堂检测
学习目标
重点研讨
4. 拉里将去开会，而不是我。
Larry will go to the meeting __________ me.
5. 我的目的是把这件坏事变成好事。
My purpose is to ____ this bad thing ____ a good one.
6. 保持教室干净是我们的责任。
It’s our duty to ________ the classroom _______.
7. 我们小区的噪音污染很严重。
The _____________ in our neighborhood is very serious.
instead of
turn
keep
into
clean
noise pollution