本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
Unit 13 We’re trying to save the earth!
The Fifth Period Section B 2a–2e & Grammar
【Teaching aims】
一、(1)听、说、读、写以下词汇： gate, bottle, president, metal
熟练掌握以下词组：upside down, be made of
(2) 了解以下词或词组的含义：inspiration, creative
二、通过学习，口、笔头掌握下列句型：
1) Do you often throw away things you don't need anymore 21·cn·jy·com
2) You have ( http: / / www.21cnjy.com )probably never heard of Amy Hayes, but she is a most unusual woman.
3) And the gate in fro ( http: / / www.21cnjy.com )nt of her house is made of rocks and old glass bottles.
4) Amy isn't the only one who is good at recycling.21·世纪*教育网
5) I hope people can read my book and enjoy it!
三、能读懂介绍关于废物回收利用的文章，完成相应的阅读任务，并能够运用本节课的核心句型，谈论废物再利用的价值。【来源：21·世纪·教育·网】
四、学生们能认识到节约能源的重要性，保护环境可以从身边的小事做起，养成节俭的美德。。
Difficulties：运用本节课的核心句型，谈论废物再利用的价值。
【Teaching steps】
Warm-up and revision（课堂热身和复习）
1. Do you remember the main idea of each paragraph
2. Let’s review Amy’s story.
Parts of the house Materials used
The windows and doors
The top of the house
The gate in front of her house
3. Let’s review Jessica’s story.
(1) How long has Jessica Wong been using old clothes to make bags 21教育网
(2) How does she sell her bags
4. Let’s review Wang Tao’s story.
Wang Tao’s "metal art"
Wang Tao _______ _______ for using iron and other materials from old cars to make beautiful art pieces. The more popular works _______ even ________ seen in art shops around the city. Wang Tao hopes to set up a "metal art" theme park to show people the importance of environmental protection. Not only can the art bring happiness to others, but it also shows that even cold, hard iron ______ ______ ________ back to life with a little creativity. 2-1-c-n-j-y
Presentation（呈现新知识）
1. 观察与思考
Discuss in groups:
What can we learn from this sentence
Not only can the art ( http: / / www.21cnjy.com ) bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity.www.21-cn-jy.com
Not only … but also … 是一个并列连词，相当于汉语的“
不但 … 而且…”。
例如：篮球不仅成为一项人们喜欢玩的运动，也成为一项人们喜欢观看的运动。
Basketball has n ( http: / / www.21cnjy.com )ot only become a popular sport to play but it has also become a popular sport to watch.www-2-1-cnjy-com
当not only连接两个并列分句时，not only分句用倒装语序。
Not only did he hear it, but he also saw it.
Not only can ( http: / / www.21cnjy.com )he speak Chinese fluently, but he can also speak English well.
2. 观察与思考
Discuss in groups:
What can we learn from this sentence
The top of the house is an old boat turned upside down.21cnjy.com
此处过去分词短语turned upside down 意为” 被翻转过来的： 被颠倒过来的“，用作后置定语。 21*cnjy*com
例如：the sign on the wall
the children boating on the lake
the stories invented by eight-and nine- year-olds
a machine that can do many kinds of housework
3. 观察与思考
Discuss in groups:
What can we learn from this sentence
She lives in a house in the UK that she built herself out of rubbish.21世纪教育网版权所有
that she built …是以定语从句，修饰前面的名词house
build/make … out of … 表示“ _________________” .
例如：This art piece is _____________ glass.
The houses in the last were always ____________ stone.【出处：21教育名师】
4. 当堂巩固
1. The man built a house _________ trash.
A. out B. of C. into D. out of
2. We often call _________ Mr. Recycling.
A. he B. his C. him D. her
3. We have never visited the museum, but we have ______ it.【版权所有：21教育】
A. stood for B. belonged to C. heard about D. kept on
4. A: What do you think of my shirt It ___ cotton. 21教育名师原创作品
B: —It looks nice on you.
A. is made in B. is made for
C. is made of D. is made by
5. A: It’s dif ( http: / / www.21cnjy.com )ficult for village children to cross the river to school. 2·1·c·n·j·y
B:I think a bridge _____over the river.
A. should be built B. will build C. is built D. was built 【来源：21cnj*y.co*m】
21世纪教育网 -- 中国最大型、最专业的中小学教育资源门户网站。 版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
Unit 13 We’re trying to save the earth!
The Second Period Section A 2d / Section B 1a–1d
【Teaching aims】
一、听、说、读、写以下词汇及 ( http: / / www.21cnjy.com )短语：recycle，stop doing sth., hard to do sth., recycling paper, turn off the lights 21·cn·jy·com
二、通过学习，口、笔头掌握下列句型：
1. Recycling paper is really easy.
2. It’s hard to stop riding in cars.
3. We really shouldn’t use paper napkins, you know 21*cnjy*com
三、1. 能进一步地扩展所学的内容，能用目标语言谈论如何保 护环境，从而拯救地球。
2. 能听懂2a和2b的听力内容，并完成相应的练习。
四、培养学生的环保意识，环保必须从我做起，人人有责。
Difficulties：用目标语言谈论如何保 护环境，从而拯救地球
【Teaching steps】
Before listening
Warm-up and revision（课堂热身和复习）
1. Role-play the conversation in 2d.
2. Use the information in 2d to fill in the blanks.
Pollution Solution
air pollution
waste pollution
3. 跟读模仿语音和语调
4. Learn these u ( http: / / www.21cnjy.com )seful sentences by heart. Then use them to make new sentences.
What are your ideas for …
To cut down air pollution, we should …
So together, our actions can make a difference …
教学设计说明：利用2d 对话，复习旧知，导入新课。
While listening
Presentation（呈现新知识）
1. Rank these items from ( http: / / www.21cnjy.com ) the easiest (1) to the most difficult (5). Then compare your answers in 1a with your partner.www-2-1-cnjy-com
________ stop riding in cars
________ recycle books and paper
________turn off the lights when you leave a room
________ turn off the shower while you are washing your hair 2-1-c-n-j-y
________ don’t use paper napkins
A: Recycling paper is really easy.
B: I agree. But it’s hard to stop riding in cars.
教学设计说明:练习本课重点短语句型，同时，对后面听力的进行预测。降低听力难度。
2. Listen and check the things that Julia and Jack talk about .【来源：21cnj*y.co*m】
______ turning off the lights
______ turning off the shower
______ not using paper napkins
______ taking your own bags when shopping
______ not riding in cars
______ riding a bike
______ recycling paper
3. Listen again. Check th ( http: / / www.21cnjy.com )e things that Julia is doing now, the things she will do in the future and the things she would never do.21世纪教育网版权所有
.
Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do
______ turning off the lights
______ turning off the shower
______ not using paper napkins
______ taking your own bags when shopping
______ not riding in cars
______ riding a bike
______ recycling paper
4. Listen and write: 再听一遍录音，选择下面的短语，用其适当形式完成对话。
5. 模仿秀:跟读模仿，注意语音语调。
6. Pair work. Work on 1e. ( http: / / www.21cnjy.com )
Make a conversation using the information from the chart above. Say what is true for you.21cnjy.com
A: We really shouldn’t use paper napkins, you know.www.21-cn-jy.com
B: I know. I stopped using them last year.
教学设计说明:通过听—模仿—自主对话，进一步巩固本课功能句。
完成学习目标一、二。
7. 跟读，模仿语音语调。
9 观察与思考：
通过刚才听力训练，我们来总结 ( http: / / www.21cnjy.com )一下，stop作为动词，意为“________”。后面既可接动词不定式，也可以接动名词。但在意义上有区别：stop doing sth. 意为“_____________”, stop to do sth. 意为“______________”。 21教育网
当我到家的时候，雨已经停了。
When I got home, it had ________________.
10. Pair work
A: We really shouldn’t use paper napkins, you know 2·1·c·n·j·y
B: I know. I stopped using them last year.
A: We had better turn off the shower when we are washing our hair.【来源：21·世纪·教育·网】
B: I have never ( http: / / www.21cnjy.com )done that before, and I don’t think I will do that in the future, either.
A: We should take our own bags when we go shopping.21·世纪*教育网
B: I agree with you. ( http: / / www.21cnjy.com )Next time I go shopping, t I will bring my own bag.
教学设计说明：通过练习，对本课的功能句进行巩固训练。
完成学习目标三。
After listening
1. 小结。
教学设计说明:在会听会写的基础上，进一步提升，把本堂课的知识落实到书面上。
完成学习目标四。
【家庭作业】
假设你是环保小组成员，在向身边的人介绍环保的知识。请根据本课所学，列举常见污染现象及其解决办法。
Pollution:
Solutions:
21世纪教育网 -- 中国最大型、最专业的中小学教育资源门户网站。 版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
Unit 13 We’re trying to save the earth!
The First Period Section A 1a–2c
【Teaching aims】
一、听、说、读、写以下词汇及词组：lit ( http: / / www.21cnjy.com )ter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference
二、通过学习，口、笔头掌握下列句型：
1) The river used to be so clean.
2) People are throwing litter into the river.
3) It has always been the nicest river in this town.21·cn·jy·com
4) We should write to the government.
5) I think one problem is that the air is badly polluted. 21*cnjy*com
三、1. 能听懂关于环境污染和环境保护的听力材料。
2. 能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。
四、通过谈论环境污染，学生能培养自己的环保意识。做到：保护环境，从我做起，从小事做起。
Difficulties：能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。
【Teaching steps】
Before listening
Warm-up and revision（课堂热身和复习）
1. Have Ss watch the video and discuss:
What is the video about
2. Look at the pictures and answer the question:
What are they about
How many kinds of pollution do these pictures show 21·世纪*教育网
教学设计说明：创设情景，导入新课。
While listening
Presentation（呈现新知识）
1. Group work.
The air isn’t clear …
There are more and more cars and factories …
We should …
There are all kinds of noises in our lives.
People have more modern machines.
We should …
教学设计说明:练习本课重点短语句型，同时，对后面听力的进行预测。降低听力难度。
2. 听1b录音一遍，回答下面的问题：
What kind of pollutio ( http: / / www.21cnjy.com )n are Tony and Mark talking about __________________
3. Work on 1b. Listen and complete the sentences.
What was the problem The river was ________________. Even the bottom of the river was full of ____________. There were no more ____________ for fisherman to catch .
What caused the problem People are throwing __________ into the river.Factories are putting _________ into the river.
How should the problem be solved We should wri ( http: / / www.21cnjy.com )te to the _____________ and ask them to ________________ the factories. Everyone should help to ____________ the river.
4. 模仿秀:跟读模仿，注意语音语调。
5. Pair work
Work on 1c. 根据听力材料，练习下列对话：
根据1b的表格提示，和同伴分角色表演Tony和 Mark的对话。结合1a的内容，再任选一种污染表演对话。 21cnjy.com
Mark: The river was ( http: / / www.21cnjy.com ) 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.www.21-cn-jy.com
Tony: Everyone in this town should play a part in cleaning it up!2·1·c·n·j·y
教学设计说明:进一步启发学生思维，再次对下一段听力进行预测。
6. Work on 2a.
Listen to Jason and Susan talk about pollution.
Then circle the kinds of pollution that they talk about. 【来源：21·世纪·教育·网】
7. 听第二遍录音，判断下面句子的正、误。
1) Jason thinks that the air is badly polluted. ( )www-2-1-cnjy-com
2) Susan used to see the mountains clearly. ( )2-1-c-n-j-y
3) People are also littering in public places. ( ) 【来源：21cnj*y.co*m】
4) They think that they can do nothing to help. ( ) 【版权所有：21教育】
5) They are talking about the noise pollution. ( ) 21教育名师原创作品
教学设计说明:通过听—模仿—自主对话，进一步巩固本课功能句。
8. 观察与思考
1) Jason thinks that the air is badly polluted.
2) Susan used to see the mountains clearly. 21世纪教育网版权所有
3) People are also littering in public places.
4) They think that they can do nothing to help.
5) They are talking about the noise pollution.
观察上面的黑体字内容，它们分别对应 ( http: / / www.21cnjy.com )了几种时态或语态？1._________ 2._________ 3.__________ 4._________ 5.___________。你能归纳出这几种时态或语态的结构吗？1._________ 2._________ 3.__________ 4._________ 5.___________。
9. Work on 2b.
Listen again and complete the sentences.
1. The air is badly ( http: / / www.21cnjy.com ) polluted because there are _______________ on the road these days.
2. Factories that burn c ( http: / / www.21cnjy.com )oal also ____________ the air with a lot of black smoke.
3. There is als ( http: / / www.21cnjy.com )o too much rubbish and waste. People _______________ things every day.
4. People are ( http: / / www.21cnjy.com )also littering in ____________ like parks. This is turning beautiful places into ugly ones.
10. 跟读录音，注意模仿孩子们描述污染时气愤的语音与语调。
11. Work on 2c.
Use the information ( http: / / www.21cnjy.com ) in 2a and 2b to role-play conversations between Jason and Susan.
Jason: The air has ( http: / / www.21cnjy.com )become really polluted around here. I’m getting very worried.
Susan: Yes, I used to be able to see stars in the sky.21教育网
Jason: The problem is that …
完成学习目标三。
After listening
1. Group work: 我们该如何做来减少污染？
What should we do
1. We should take _______ or _______ instead of driving. 21*cnjy*com
2. We should also ( http: / / www.21cnjy.com ) _______________ ________ ________. It’s good for health!
3. Bring ___________ to go shopping.
4. Never take _________ or__________ when buying takeaway food.【出处：21教育名师】
5. ____________ in t ( http: / / www.21cnjy.com )he bins and keep public places clean and beautiful.
2. 小结。
教学设计说明:在会听会写的基础上，进一步提升，把本堂课的知识落实到书面上。
完成学习目标四。
【家庭作业】
必做：把课堂上练习的关于环境污染的对话写下来。
选做：小组分工合作，用课前准备的照片，选取一种或几种污染做成海报，
教学设计说明:分层布置作业，促进不同层次学生的学习积极性。
21世纪教育网 -- 中国最大型、最专业的中小学教育资源门户网站。 版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
Unit 13 We’re trying to save the earth!
The Fourth Period Section B 2a–2e
【Teaching aims】
一、(1)听、说、读、写以下词汇： gate, bottle, president, metal
熟练掌握以下词组：upside down, be made of
(2) 了解以下词或词组的含义：inspiration, creative
二、通过学习，口、笔头掌握下列句型：
1) Do you often throw away things you don't need anymore 2-1-c-n-j-y
2) You have ( http: / / www.21cnjy.com )probably never heard of Amy Hayes, but she is a most unusual woman.
3) And the ga ( http: / / www.21cnjy.com )te in front of her house is made of rocks and old glass bottles.
4) Amy isn't the only one who is good at recycling.21·cn·jy·com
5) I hope people can read my book and enjoy it!
三、能读懂介绍关于废物回收利用的文章，完成相应的阅读任务，并能够运用本节课的核心句型，谈论废物再利用的价值。 21*cnjy*com
四、学生们能认识到节约能源的重要性，保护环境可以从身边的小事做起，养成节俭的美德。。
Difficulties：运用本节课的核心句型，谈论废物再利用的价值。
【Teaching steps】
Warm-up and revision（课堂热身和复习）
Show sthe pictur ( http: / / www.21cnjy.com )es on the screen to the Ss and ask: What are they made of
教学设计说明：复习旧知，导入新课。
Presentation（呈现新知识）
1. Skimming
快速阅读课文，找出各段的段落大意：、
Para. 1 Wang T ( http: / / www.21cnjy.com )ao uses materials from old cars to make beautiful art pieces.
Para. 2 Many old things can be put to good use.【来源：21cnj*y.co*m】
Para. 3 Jessica Wong uses old clothes to make bags.
Para. 4 Amy Hayes built a house out of rubbish.
2. Scanning
Task 1 Work on 2b.
Read the passage and complete the chart below.
Names What materials did they use What did they make
Task 2 仔细阅读第二段，完成下面的表格。
Parts of the house Materials used
The windows and doors
The top of the house
And the gate in front of her house
Task 3仔细阅读第三段，回答下面的问题。
(1) How long has Jessica Wong been using old clothes to make bags 21教育网
(2) How does she sell her bags
Task 4仔细阅读第四段，补全下面的短文。
Wang Tao’s "metal art"21cnjy.com
3. Wang Tao _______ _______ for using iron and other materials from old cars to make beautiful art pieces. The more popular works _______ even ________ seen in art shops around the city. Wang Tao hopes to set up a "metal art" theme park to show people the importance of environmental protection. Not only can the art bring happiness to others, but it also shows that even cold, hard iron ______ ______ ________ back to life with a little creativity. www.21-cn-jy.com
4. 观察与思考
通过刚才的填空练习，你发现下面这些用法的规律了吗？
1）被动语态的构成：助动词be+及物动词的过去分词
练习：
(1) A number of new houses __________ in Wen Chuan last year. 【来源：21·世纪·教育·网】
A. built B. are built C. were built D. will be built21·世纪*教育网
(2) A: More and more foreigners speak Chinese now. (改为被动语态)www-2-1-cnjy-com
B: Chinese _________ _________ by more and more foreigners now. 【出处：21教育名师】
And the gate in f ( http: / / www.21cnjy.com )ront of her house is made of rocks and old glass bottles.
be made________意为“由……制成”，主语为制成品，而且能看出原材料。be made________意思也是“由……制成”，表示制成的东西完全失去了原材料的外形或特性， 或原材料在制作过程中发生了化学变化，在成品中已无法辨认。 【版权所有：21教育】
练习：(1) The bridge is made __________ stone.
(2) The wine is made __________ rice.
完成学习目标一、二。
5. Work on 2c.
Fill i ( http: / / www.21cnjy.com )n the blanks with the correct forms of the phrases in the box.
Amy Hayes lives ( http: / / www.21cnjy.com )in the UK. Many of the old buildings in her neighborhood were ___________________.21教育名师原创作品
All the rubb ( http: / / www.21cnjy.com )ish and old things in Amy’s neighborhood were then ____________ when Amy built her house.21*cnjy*com
Amy is very creative ( http: / / www.21cnjy.com ). She _________ her front gate ___________ rocks and old glass bottles. She put an old boat on top of her house.21世纪教育网版权所有
Jessica Wong sel ( http: / / www.21cnjy.com )ls her bags in a small shop, but she has also __________ an online business to sell them.
Though Jessica’s ( http: / / www.21cnjy.com ) bags are made from old clothes, her bags are _____________ being cute and useful.
Wang Tao ___________ makes large pieces of metal art that look like animals or humans,_____________ makes smaller pieces for the home.
6. Work on 2d.
Write down word ( http: / / www.21cnjy.com )s in the passage based on the words below. What are the differences
完成学习目标三。
After listening
1. 小结。
完成学习目标四。
【家庭作业】
Work on 2e.
Make a list of ( http: / / www.21cnjy.com )things that need to be done to save the environment. Which things can be done by common people every day Which things have to be done by governments and organizations Discuss these with your group.2·1·c·n·j·y
21世纪教育网 -- 中国最大型、最专业的中小学教育资源门户网站。 版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
Unit 13 We’re trying to save the earth!
The Third Period Section A 3a–3c
【Teaching aims】
一、听、说、读、写以下词汇：method, cruel, harmful, low, industry, law, cut off
了解明白以下词汇及短语：shark, fin, chain, ecosystem
二、通过学习，口、笔头掌握下列句型：
1) Many have heard of shark fin soup.
2) When people ca ( http: / / www.21cnjy.com )tch sharks, they cut off their fins and throw the shark back into the ocean.
3) This metho ( http: / / www.21cnjy.com )d is not only cruel, but also harmful to the environment.21教育网
4) If their num ( http: / / www.21cnjy.com )bers drop too low, it will bring danger to all ocean life.21·cn·jy·com
三、能读懂介绍关于保护鲨鱼的文章，完成相应的阅读任务，并能够正确运用连词或状语从句改写文章。
四、通过了解鲨鱼的现状，增强保护濒危动物的意识。
Difficulties：正确运用连词或状语从句改写文章。
【Teaching steps】
Warm-up and revision（课堂热身和复习）
Show some pictures of animals that are endangered on the screen. www.21-cn-jy.com
教学设计说明：激发兴趣；激活思维。
Presentation（呈现新知识）
1. What do you know about sharks
Where do sharks live __________________________________2·1·c·n·j·y
Are they all very big ___________________________________【来源：21·世纪·教育·网】
What do they eat ___________________________________21·世纪*教育网
Is the number of sharks decreasing _________________________2-1-c-n-j-y
Why do people catch them ______________________________ 21*cnjy*com
2. Skimming
速读文章，找出段落大意。
Para 1 Bad things happen when people cut off sharks’ fins.【来源：21cnj*y.co*m】
Para 2 Environm ( http: / / www.21cnjy.com )ental protection groups have done things to protect sharks.
Para 3 You’ ( http: / / www.21cnjy.com )re killing a whole shark when you enjoy a bowl of shark fin soup.
2. Scanning
Task 1 Work ( http: / / www.21cnjy.com )on 3a.
Read the passage about sharks and complete the fact sheet. 【版权所有：21教育】
Where shark fin soup is popular
Number of sharks caught and traded every year
How much num ( http: / / www.21cnjy.com )bers of some kinds of sharks have fallen in the last 20 to 30 years
Two environmental groups against “finning”
Task2 仔细阅读第二段，完成下面的句子。
Bad things happen to sharks when people cut off their fins. 21世纪教育网版权所有
When people catch ( http: / / www.21cnjy.com )sharks, they _______ their fins and _______ the shark _______ into the ocean. Without a fin, a shark can no longer ________ and slowly _______. If sharks’ numbers ________ too low, it will ________ danger to all ocean life. www-2-1-cnjy-com
Task 3 仔细阅读第三段，完成下面的句子。
Some things that environmental protection groups have done:21教育名师原创作品
They __________ the ( http: / / www.21cnjy.com ) public about "finning". They have even asked governments _____________ to stop the sale of shark fins. 21cnjy.com
3. 模仿秀:跟读模仿，注意语音语调。
4. Work on 3b.
Read the ( http: / / www.21cnjy.com ) passage again and fill in the blanks with the words in the box.
1. Many people do n ( http: / / www.21cnjy.com )ot realize they are killing a whole shark ___________ they enjoy a bowl of shark fin soup.21*cnjy*com
2. Sharks are at the t ( http: / / www.21cnjy.com )op of the food chain, __________ if their numbers drop, the ocean’s ecosystem will be in danger.
3. Many think t ( http: / / www.21cnjy.com )hat sharks are too strong to be endangered, ___________ they are wrong.
4. ________ there ( http: / / www.21cnjy.com ) are no scientific studies to support this, a lot of people believe that shark fins are good for health.
5. Sharks may ( http: / / www.21cnjy.com )disappear one day _________ we do not do something to stop the sale of shark fins.
5. Summarize the article and discuss it with your partner.
完成学习目标一、二。
6. Group work:我们该如何保护鲨鱼？小组分工合作，完成一份关于保护鲨鱼的海报，并在课后展示。
7. 观察与思考：
1) not only … but also …用于连接两个表示并列关系的成分，着重强调后者，意为_________；可与both ... and…替换。若连接两个成分作主语，其谓语 ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网" \t "_parent )通常与_________保持一致。
Other examples:
Not only does he speak ( http: / / www.21cnjy.com ) fluent English, but he can also speak Chinese and French well.
Exercise is not only good for health, but also fun.
2) a number of 与the number of的用法：
the number of意为“… 的数量 ( http: / / www.21cnjy.com )”，跟复数名词连用作主语时，中心词是number，谓语动词用单数。a number of意为“许多”，相当于 many，修饰可数名词复数。作主语时，谓语动词用复数。number前可用large，small等修饰，以表示程度。 【出处：21教育名师】
练习：选词填空：
the number of, a number of
1. ______________ teachers in our school is 350.
2. ______________ teachers like to read books.
完成学习目标三。
After listening
1. 小结。
完成学习目标四。
【家庭作业】
必做： 根据提示复述3a。
选做： 完善你们小组的倡议书。
教学设计说明:分层布置作业，促进不同层次学生的学习积极性。
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