教学设计
Module 12 unit3
【学习目标】.
知识目标：To master some words and expressions about save our world:
. factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless…
能力目标：
1.To understand passages about pollution .
2. to learn to say why we need to save the world and how to be green.
【学习过程】
[课前朗读]:养成学生自主学习词汇的习惯，促使学生迅速进入学习状态。
[检查词汇预习. 取学生结对、小组互查等形式来检查学生对词汇的学习习情况。
Step1.leading to the class
First teacher show some pictures about pollution and asks some questions.
Then show some pictures to review the new words.
目的：
通过展示图片，复习学过的本单元重点单词，不仅可以加深学生的印象，
而且活跃课堂气氛，激发学生的兴趣和热情，为本课任务的开展提供词汇储备。
Step2,check the word
写出下列单词
制造厂，工厂 污染
回收利用，再使用(废品) 废料，废弃物
敌人，仇人 庄稼，作物
杀死，弄死 石油
较少的，较小的；较少 数，较少量
无望的 瓷，瓷器
分开 塑料(的)
政策，方针 再次使用，重复利用
瓶 扔掉，丢弃
重说，重新做 减少，减低，缩小
布，布料 吨
许多，很多 橡胶
回收利用 快速的，迅速的
步骤，措施 (外)孙子
(外)孙女
单词详解
1. 1. pollute v 污染 n污染，污染物
adj 受污染的
2.less adj 较少的，较小的
Less 是 的比较级 其最高级是
固定搭配 越来越少 或多或少
3.divide v 分开，分隔
固定搭配 把…分成，划分为
4.add v 添加 增加
固定短语 增添，增加 把…添加到…
加起来 总计
5.reduce v 减少，减低，缩小 反义词 增加，增大
6.rapid adj 快速的，迅速的 adv 快速地，迅速地
近义词
反义词 缓慢的
7.step n 步骤，措施
固定搭配 采取措施
一步步地，逐步地
Step3、Ask a question: What causes pollution?
Ask students to ask the question according to the text.
目的：训练学生组织语言的能力。
Step4、Ask the second question: How to be green?
Read the text again then discuss in grous.
Key sentences:
1.every class collects waste which can be recycled or used again .Then the school sells the waste to help students.
2. Order food that you can finish.
3. Use less electricity at home.
4. Learn ways to recycle rubbish.
5. Divide rubbish into different groups.
6. Use paper cups and paper bags.
7.Go to school on foot or by bike.
8. Do not throw away things made of glass, plastic and paper, but recycle them when possible.
9. Turn off lights when you do not need them.
10. Take a bag when you go shopping in stead of asking for a plastic bag.
11. Use things for as long as possible
Step5,Writing: 针对雾霾，你认为中学生应该如何做呢? 以“How to be green”为题，写一篇80-100词的作文。
Step 6，Review language points
1. We throw tons of rubbish away each year, and we have to make a change.
ton n. 吨
tons of 许多, 很多
e.g 我们为今晚的聚会买了大量饮料。(翻译)_______________________
throw away 扔掉; 丢弃
e.g. When are you going to throw away those old magazines?
你打算什么时候扔掉那些旧杂志.
他已经失去了一个良好的机会。(翻译)_______________________
2. Repeat these three words daily: reduce, reuse and recycle.
repeat v. 重说; 重新做
前缀“re-”, 意思是“再, 重复”
e.g. I repeated after the teacher word by word. reuse v. 再次使用; 重复利用
e.g. She often reuses old envelopes. 她经常重复使用旧信封。 这些瓶子可重复使用达20次。(翻译)_______________________
我跟着老师一个字一个字地读
3. Although it takes energy to change things into something else, it is better than throwing things away or burning them.
change … into …
把……变成……
e.g. You can’t change iron into gold. 你无法把铁变成金子。
4. We cannot hope for rapid change, but let’s take these simple steps today …
take steps 采取措施
e.g.我们需要采取一些措施了减少污 染(翻译)_______________________
5. It’s no use talking about things we
can’t do.
It’s no use doing sth. 做某事没有用处
e.g. It’s no use complaining.
抱怨没有用处。
Listen, George, . 听着, 乔治, 活在过去是没有用的。(翻译)_______________________
课堂达标
一. 根据句意及首字母提示写出正确的单词。
1.Don’t w_____ water. Please turn off the cock after you wash your hand.
2. I get a job in a f_________.
3. It’s more and more important for every to save e__________ now.
4. Air p_______ is quite harmful to our health.
5. The students from a green school are helping collect waste paper and bottles for r_______.
6.The air was p by factory smoke.
7.We should try to r all our waste paper.
8.The general was destroyed by the e
9.They went to the forest to k the wild animals
10.I d the cake into four parts.
11.There is little water in the b
12.Please r what I said.
13.He made such rapid progress.
14.They try to r waste and protect the earth and the ocean.
15.Do you cook your vegetables with much o .
二.首字母填空
A poor young man went to Paris, expecting that his father’s friend could help him find a business for living.
“Are you (66) g_________ at maths?” his father’s friend asked him.
The young man (67) s________ his head.
“How is your history?” “How (68) a________ your law?”
The young man lowered(低下) his head sadly.
His father’s friend asked again and again, but the young man could(69) o_________shake his head. He himself couldn’t find out any advantages.
“Then write down(70) y_______ address first.”
The young man wrote his address and turned to leave, (71) b_______ he was stopped by his father’s friend. “Your name is written very beautifully, which is your advantage. You shouldn’t satisfy yourself with finding a (72) j_______ for living.”
Many (73) y_______later, the young man wrote the classical works that was well-known in the world. He was Alexandra Dumas(大仲马), a (74) f________French writer of the 18th century.
There are many ordinary persons in the world who all have many small advantages, but they can’t find (75) t__________. In fact, there is a gold mine(矿)in every ordinary life. If you’re willing to dig, you will dig out treasures that surprise yourself.
Step 7,课堂小结。
评测练习
一，写出下列单词
制造厂，工厂 污染
回收利用，再使用(废品) 废料，废弃物
敌人，仇人 庄稼，作物
杀死，弄死 石油
较少的，较小的；较少 数，较少量
无望的 瓷，瓷器
分开 塑料(的)
政策，方针 再次使用，重复利用
瓶 扔掉，丢弃
重说，重新做 减少，减低，缩小
布，布料 吨
许多，很多 橡胶
回收利用 快速的，迅速的
步骤，措施 (外)孙子
(外)孙女
Step5单词详解
1. 1. pollute v 污染 n污染，污染物
adj 受污染的
2.less adj 较少的，较小的
Less 是 的比较级 其最高级是
固定搭配 越来越少 或多或少
3.divide v 分开，分隔
固定搭配 把…分成，划分为
4.add v 添加 增加
固定短语 增添，增加 把…添加到…
加起来 总计
5.reduce v 减少，减低，缩小 反义词 增加，增大
6.rapid adj 快速的，迅速的 adv 快速地，迅速地
近义词
反义词 缓慢的
7.step n 步骤，措施
固定搭配 采取措施
一步步地，逐步地
二，根据句意及首字母提示写出正确的单词。
1.Don’t w_____ water. Please turn off the cock after you wash your hand.
2. I get a job in a f_________.
3. It’s more and more important for every to save e__________ now.
4. Air p_______ is quite harmful to our health.
5. The students from a green school are helping collect waste paper and bottles for r_______.
6.The air was p by factory smoke.
7.We should try to r all our waste paper.
8.The general was destroyed by the e
9.They went to the forest to k the wild animals
10.I d the cake into four parts.
11.There is little water in the b
12.Please r what I said.
13.He made such rapid progress.
14.They try to r waste and protect the earth and the ocean.
15.Do you cook your vegetables with much o .
课件60张PPT。Save our worldModule 12外研版初中英语九年级Unit 3
Language in usepollutionDo you live a green life? Save the earth and save us.Teaching aims:
知识目标：To master some words and expressions about save our world:
. factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless…
能力目标：
1.To understand passages about pollution .
2. to learn to say why we need to save the world and how to be green.
Words
and
expressionsNew wordsfactory n.
制造厂; 工厂pollute v. 污染recycle v.
回收利用, 再使用(废品)waste n.
废料; 废弃物enemy n.
敌人; 仇人crop n.
庄稼; 作物kill v.
杀死; 弄死oil n. 石油kill v.
杀死; 弄死oil n. 石油Repeated use
重复使用，多次利用Recycling
分类回收，循环再生policy n. 政策; 方针divide n. 分开; 分隔plastic
n. 塑料
adj. 塑料的cloth n.
布; 布料throw away 扔掉; 丢弃ton n. 吨
tons of 许多, 很多rubber n.
橡胶rapid adj.
快速的; 迅速的step n.
步骤; 措施reuse v.
再次使用; 重复利用reduce v.
减少; 减低; 缩小recycling n. 回收利用We should recycle rubbish because it can help us protect the environment.It is better to use china cups and bowls because they can be used many times. Pollution from factories spreads over cities and villages.If the rivers are polluted,If the rivers are polluted, farmers can’t use them to water their crops What causes pollution ?
The cars on the roads use so much oil and cause pollution .
Pollution from factories spreads over cities and villages.If the rivers are polluted, farmers can’t use them to water their crops .
2. In some places, pollution from factories spreads over cities and villages
3.The cars on the roads use so much oil and cause pollution .
.What causes pollution ?Watch and readWhat can students do ?1.every class collects waste which can be recycled or used again .Then the school sells the waste to help students.
2. Order food that you can finish.
3. Use less electricity at home.
4. Learn ways to recycle rubbish.
5. Divide rubbish into different groups.
6. Use paper cups and paper bags.
7.Go to school on foot or by bike.
8. Do not throw away things made of glass, plastic and paper, but recycle them when possible.
9. Turn off lights when you do not need them.
10. Take a bag when you go shopping in stead of asking for a plastic bag.
11. Use things for as long as possible.1. We throw tons of rubbish away each year, and we have to make a change.
ton n. 吨
tons of 许多, 很多
e.g 我们为今晚的聚会买了大量饮料。
. We’ve bought tons of drinks for the
party tonight. throw away 扔掉; 丢弃
e.g. When are you going to throw away those old magazines?
你打算什么时候扔掉那些旧杂志.
他已经失去了一个良好的机会。
He has thrown away a good chance2. Repeat these three words daily: reduce, reuse and recycle.
repeat v. 重说; 重新做
前缀“re-”, 意思是“再, 重复”
e.g. I repeated after the teacher word by word. 我跟着老师一个字一个字地读。reuse v. 再次使用; 重复利用
e.g. She often reuses old envelopes. 她经常重复使用旧信封。 这些瓶子可重复使用达20次。
The bottles can be reused up to
20 times.3. Although it takes energy to change things into something else, it is better than throwing things away or burning them.
change … into …
把……变成……
e.g. You can’t change iron into gold. 你无法把铁变成金子。4. We cannot hope for rapid change, but let’s take these simple steps today …
take steps 采取措施
e.g.我们需要采取一些措施了减少污 染。
We need to take some steps to reduce pollution5. It’s no use talking about things we
can’t do.
It’s no use doing sth. 做某事没有用处
e.g. It’s no use complaining.
抱怨没有用处。
Listen, George, . 听着, 乔治, 活在过去是没有用的。
it’s no use living in
the past. 合成法
将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫做合成法。合成法是一种比较灵活的构词方法，可以合成名词、形容词、副词、代词、动词等。例如：afternoon, sportsman, blackboard, sportsperson, newspaper, 构词法2. 派生法
通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法叫作派生法。要通过派生法理解和记忆单词, 我们需要掌握常见的前缀和后缀及派生规律。(1) 常见前缀(3) 派生规律
由一个词根加上相应的词缀可以派生出名词、形容词、副词等，掌握派生规律对扩充词汇有很大帮助。例如：由 interest 可以派生出：
uninteresting
interest — interesting — interestingly
interested — uninterested由 help 可以派生出：
helpless — helplessly
help — helpful — helpfully
由 able 可以派生出：
enable
able unable
ability
disable3. 转化法
英语构词法中把一种词性转化为另一种词性而词形不变的方法称作转化法。常见的转化有：
(1) 动词转化为名词
— Let’s talk about it more.
咱们再谈谈这件事吧。
— I think we’d better finish the talk
now. 我想我们最好现在结束谈话。(2) 名词转化为动词
She gave me a cup of water.
她给了我一杯水。
You should water the flowers twice a
day.
你应该每天给这些花浇两次水。 Complete the sentences with the words in the box.hopeful impossible reuse unhealthy wasteful Polluted water is ____________.
2. It is _________ to throw so much food away.unhealthywastefulExercises3. If you look after things well, you may ________ some of them later.
4. It is ___________ to clean up the whole river in such a short time.
5. If we pay attention to pollution now, the future will be __________.reuseimpossiblehopefulComplete the sentences with the correct form of the words in Activity 3.She was hopeful that her new job would make her more successful. The factory ___________ the river, and the fish died.
2. We often walk in the countryside. It is a(n) _______ activity for us.pollutedusual3. Do not use so much water. It is very __________.
4. To keep the flowers growing, you need to _________ them once a day.wastefulwaterComplete the conversation with the correct form of the expressions in the box.be good for throw away turn off worry aboutMike: I hear you are off to the Caribbean for a holiday! Lucky you! But aren’t you _______________ the pollution that such long plane journey may cause for the environment?
Ken: I know, but what can I do about it? I’ve already tried my best to protect the environment. worried aboutI recycle. I don’t ____________ things if I don’t want them any more. I ____________ the lights when I leave a room. Don’t tell me I shouldn’t travel by plane any more!throw awayturn offKen: Good! So I can enjoy my holiday, and when I come back, I’ll plant some trees!
Mike: That’s the idea! Maybe we can all join in and start a small forest!
Listen and check (√) the true
sentences.
1. It is OK to throw used things away. Looking after them takes a lot of time.
2. Do not throw away things made of glass, plastic and paper, but recycle them when possible.
3. Take a bag when you go shopping.Listening√√reduce pollutionwaste electricityWalk or cyclepollutionModule taskWork in groups..Discussing what you can do about pollutionDiscuss your subject.DiscussionTake turns to say what you think about the problem and what can be done.Bye-bye!Thank you
