Module 12 Save our world
Unit 1 If everyone starts to do something, the world will be saved.
教学设计
教材分析
This is the first lesson in this module. The listening material is information about saving the world. It’s a good text to help the students improve their listening strategies, such as getting information from the listening material.
教学目标
【知识目标】
1. Key words:
factory, pollute, recycle, waste, enemy, crop, kill, oil, less, hopeless
2. Key phrases:
such as, be worried about, have to, think of, no use, so many/much
3. Key sentences:
(1) If the rivers are polluted,farmers can’t use the water for their crops.
(2) They use so much oil and cause pollution as well.
(3) It’s no use talking about things we can’t do.
(4) Though pollution is heavy now,I don’t think it’s hopeless.
(5) If everyone starts to do something,the world will be saved.
【能力目标】
1. To be able to understand the everyday dialogue about protecting the environment.
2. To get the key information.
3. To be able to talk about protecting the environment freely.
【情感目标】
1. To be able to protect the environment.
2. To increase the responsibility of protecting the environment.
教学重难点
【教学重点】
1. Key words:
factory, pollute, recycle, waste, enemy, crop, kill, oil, less, hopeless
2. Key phrases:
such as, be worried about, have to, think of, no use, so many/much
3. Key sentences:
(1) If the rivers are polluted,farmers can’t use the water for their crops.
(2) They use so much oil and cause pollution as well.
(3) It’s no use talking about things we can’t do.
(4) Though pollution is heavy now,I don’t think it’s hopeless.
(5) If everyone starts to do something,the world will be saved.
【教学难点】
To practice Ss’ listening and speaking abilities.
课前准备
Multimedia
教学过程
Step I Warming up and leading in
(I) Warm up
T presents some pictures about pollution.
(II) Introduction
Listen and complete the sentences.
1. The factory is causing a lot of___________.
2. There should be some________ to stop pollution.
3. We can_________ waste products, such as _______ and paper in a recycling centre.
【设计意图】
通过对图片的直观观察和讨论,激活学生的背景知识,使学生熟悉相关词汇、熟悉本单元话题,并导入新课。
Step II While-listening
(I) First-listening
What are they talking about?
They are talking about_____________________ and __________________________.
(II) Second listening
Listen and complete the notes.
Pollution Problems
1. If the rivers are polluted,_____________________.
2. In some places, pollution from factories _________________________________ .
3. The cars on the road_______________________________________ .
What the students can do?
4. Support a green school: every class _______________________which can be_______________________. Then the school _________________________to help students__________________.
5. Students learn_______________________________. That means__________.
【设计意图】
通过设计由浅入深、不同层次的听力问题,培养学生把握对话主旨、听并获取细节信息的能力,通过两遍听力,锻炼学生的听力,促进学生听力水平的提高。
Step III Post-listening
Complete the passage with the correct form of the words in the box.
Pollution is our great (1)________. Pollution from (2)____________is a danger to our health, and may even (3)____people. Factories sometimes(4)________ rivers, and farmers cannot use the water for their crops. Pollution(5)________ over cities and villages, and that (6)______ even more danger. Cars use a lot of (7)_____and cause pollution too
【设计意图】
通过练习，进一步理解对话内容，加深对关键词的理解。
Step IV Language points
1. And in some places, pollution from factories spreads over cities and villages.在一些地方， 来自工厂的污染遍布城市和村庄。
spreads over遍布在..., 复盖在...
What he studied spread over many fields.他所研究的内容涉及许多领域。
2. Pollution is a danger to our health. 污染有害我们的健康。
a danger to…“对…是一种威胁；有伤害”，相当于be dangerous to
It?is?a?danger?to?your?computer's?health.?=It?is?dangerous?to?your?computer's?health.?
这对你电脑的健康是个威胁。
3. And there’re so many cars in the street. They use so much oil…街道上有很多车，他们使用很多石油…
so many很多
You can’t crush so many people into the classroom.你不能让这么多人挤进教室。
so much很多
辨析：so many与so much
so many 用来修饰可数名词， so much 用来修饰不可数名词。
There was so much noise outside that we couldn’t hear the teacher.外面嘈杂声很大， 以致我们不能听到老师的话。
He feels nervous when her faces so many people.面对那么多人， 他感到紧张。
4. as well 也；又
拓展： (1) 相当于too或also, 常位于句末，无须用逗号与句子隔开。I am going to London and my sister is going to as well.我要去伦敦， 我妹妹也去。
(2) as well 在口语中也可置于句中， 作“也好，也行”或“倒不如”解。用来缓和语气。
You may as well go.你去也好。
(3) As well 也可以直接用于just之后， 用作应答语。可视为(It’s just as well)的省略。作“幸亏，幸而，无妨， 没关系”讲。
—We are too late to see the film.
—Just as well, I hear it isn’t very good.
5. Such as …？例如……
such as 表示举例，意为“例如，诸如此类的，像……那样的”，相当于like 或 for example。 Eg: Animals such as rabbits and deer continue to be active all winter. 像兔和鹿这样的动物整个冬天都很活跃。
There are few poets such as Keats and Shelly. 像济慈和雪莱这样的诗人现在很少了。
6. That means less waste.
(1) less 较小的，较少的； 较少数，较小量
1) less 是 little(小；少)的比较级。
He spends less time (in) doing experiments.他做实验花的时间较少。
2) “less+形容词或副词”构成比较， 译为“较 不，更不”。
It is less cold than it was yesterday. 天气不如昨天冷。
3) Less作名词时,表示“较小量，较少量”
Less than ten of the thermometers remain.这些温度计剩下不到十支。
4) less 作介词时,译为“不足， 还差”
Five less two leaves three. 五减去二余三。
The time cycle is a year less three days.(时间)周期是差三天一年。
7. I don’t think it’s hopeless.我不认为它是没有希望的.
8. Important Phrases
1. at a green school在环保学校2. collect waste 收集废品3. sell the waste 卖废弃物
4. in poor areas在贫穷地区 5. learn ways to学习…的方法 6. Save money and recycle
节约钱并回收7. start to do something 开始做些某事
【设计意图】
进一步理解文本的重难点。
Step V Speaking
(I) Listen and mark the words which the speaker links.
(II) Work in pairs. List the pollution in your place. Choose one problem and say what should be done about it.
-- What should we do to protect the environment?
--We should/shouldn’t…
(III) Presentation
—The water are polluted, farmers can’t use them to water their crops .We should stop the factories from polluting the river.
— I agree. And we should stop them from polluting the air as well.
【设计意图】
1.进一步理解对话。
2.掌握某些重点语法如it’s no use doing sth.的用法,以及被动语态与让步状语从句。
3.通过对话的方式,学会运用所学知识(谈论污染)把所学知识加以巩固。
Step VI. Homework
I. Read the dialogue in Unit 1 twice.
II. Find out information about what you can do to protect the environment.
【设计意图】
作业是课堂学习的延伸，是对课堂所学的技能很好的综合检测。
教学反思
略。
课件29张PPT。
pollution
air pollution water pollutionwhite pollutionnoise pollutionrubbish pollutionlight pollutionFactories produce electricity and energy.Metal cans are thrown away everywhere. We waste metal.1. The factory is causing a lot of___________.
2. There should be some________ to stop pollution.
3. We can_________ waste products, such as _______ and paper in a recycling centre.pollutionrulesrecycleglassListen and complete the sentences.What are they talking about?They are talking about_____________________ and __________________________.While-listeningpollution problemswhat the students can doListen and complete the notes.Pollution ProblemsIf the rivers are polluted,_____________
_____________________________.
2. In some places, pollution from factories _________________________________ .
3. The cars on the road__________________
_____________________________ .use water for their cropsfarmers can’tspreads over cities and villagescause pollution as welluse so much oil andWhile-listeningWhat the students can do?4. Support a green school: every class _______________________which can be_______________________. Then the school _________________________to help students__________________.
5. Students learn________________________
_________________. That means__________.collects waste or rubbish recycled or used againthe school sells the wastein poor areasways to save energy andrecycle at homeless wasteComplete the passage with the correct form of the words in the box.cause, enemy, factory, kill, oil, pollute, spread Pollution is our great (1)________. Pollution from (2)____________is a danger to our health, and may even (3)____people. Factories sometimes(4)________ rivers, and farmers cannot use the water for their crops. Pollution
(5)________ over cities and villages, and that (6)______ even more danger. Cars use a lot of (7)_____and cause pollution too.enemyfactorieskillpollutespreadcausesoilListen and mark the words which the speaker links.After our lesson on the environment, I’m
worried about the future.
2. Students at a green school also learn ways to save energy and recycle at home.Now listen again and repeat.Pronunciation and speakingIt will break up It will be used up.What should we do ?Language points1. And in some places, pollution from factories spreads over cities and villages.在一些地方， 来自工厂的污染遍布城市和村庄。spreads over遍布在..., 复盖在...
What he studied spread over many fields.
他所研究的内容涉及许多领域。2. Pollution is a danger to our health. 污染有害我们的健康。a danger to…“对…是一种威胁；有伤害”，相当于be dangerous to
It?is?a?danger?to?your?computer's?health.?
=It?is?dangerous?to?your?computer's?health.?
这对你电脑的健康是个威胁。3. And there’re so many cars in the street. They use so much oil…街道上有很多车，他们使用很多石油…
so many很多
You can’t crush so many people into the classroom.你不能让这么多人挤进教室。
so much很多
辨析：so many与so much
so many 用来修饰可数名词， so much 用来修饰不可数名词。
There was so much noise outside that we couldn’t hear the teacher.
外面嘈杂声很大， 以致我们不能听到老师的话。
He feels nervous when her faces so many people.面对那么多人， 他感到紧张。
4. as well 也；又
拓展：
(1) 相当于too或also, 常位于句末，无须用逗号与句子隔开。I am going to London and my sister is going to as well.
我要去伦敦， 我妹妹也去。
(2) as well 在口语中也可置于句中， 作“也好，也行”或“倒不如”解。用来缓和语气。
You may as well go.你去也好。
(3) As well 也可以直接用于just之后， 用作应答语。可视为(It’s just as well)的省略。作“幸亏，幸而，无妨， 没关系”讲。
—We are too late to see the film.
—Just as well, I hear it isn’t very good.
5. Such as …？例如……
such as 表示举例，意为“例如，诸如此类的，像……那样的”，相当于like 或 for example。
Eg:Animals such as rabbits and deer continue to be active all winter.
像兔和鹿这样的动物整个冬天都很活跃。
There are few poets such as Keats and Shelly.
像济慈和雪莱这样的诗人现在很少了。6. That means less waste.(1) less 较小的，较少的； 较少数，较小量1) less 是 little(小；少)的比较级。
He spends less time (in) doing experiments.
他做实验花的时间较少。2) “less+形容词或副词”构成比较， 译为“较 不，更不”。
It is less cold than it was yesterday.
天气不如昨天冷。3) Less作名词时,表示“较小量，较少量”
Less than ten of the thermometers remain.
这些温度计剩下不到十支。4) less 作介词时,译为“不足， 还差”
Five less two leaves three. 五减去二余三。
The time cycle is a year less three days.
(时间)周期是差三天一年。7. I don’t think it’s hopeless.我不认为它是没有希望的.hope可做名词和动词,表示“希望”(1) 用于表示可能实现的事情,后接从句，用陈述语气。
I hope I shall see him again. 我希望再见他一次。(2) Hope 多用于指多好事物的盼望,预想;对坏事物的预想多用I am afraid…
I hope it will be fine tomorrow.
我希望明天天气好。(3) hope 所希望的一般指将来或现在的事情，不指过去的事情。
I hope he will come. 我希望他会来。 (4) Hope 可用于 hope to do 结构,但不能说 hope sb. to do sth.
I hope to watch the football match again.
我希望再看一次那场足球赛。1. at a green school
在环保学校
2. collect waste
收集废品
3. sell the waste
卖废弃物
4. in poor areas
在贫穷地区Important Phrases5. learn ways to
学习…的方法
6. Save money and recycle
节约钱并回收
7. start to do something
开始做些某事
We should save electricity and energy.Post-listeningWork in pairs. List the pollution in your place. Choose one problem and say what should be done about it.The air pollution in our
city is getting worse. What can we do to stop it?
- I think we can ride our bicycles to school more .-- What should we do to protect the environment?
--We should/shouldn’t…drop the litter into the riverturn off the tap stop the factory from…Collect the waste books and …waste foodrecycle the second-hands —The water are polluted, farmers can’t use them to water their crops .We should stop the factories from polluting the river.
— I agree. And we should stop them from polluting the air as well. HomeworkI. Read the dialogue in Unit 1 twice.
II. Find out information about what you can do to protect the environment.
