1.1.1 命题优秀教案内容

Unit 4 Global warming Ⅰ. 单元教学目标

技能目标Skill Goals ▲Talk about global warming, pollution and the importance of protecting the earth ▲Practise expressing agreement, disagreement, blame and complaint ▲How to use“it”

for emphasis in a sentence ▲Write an essay on environmental problems

Ⅱ. 目标语言

功

能

句

式

Expressing agreement, disagreement, blame and complaint Yes, I agree with you. Yes, I think so. I believe that you’ve got it right. I don’t think so. I don’t think that’s right. I’m afraid you are wrong. I’m sorry to bring this up, but ...

I’m sorry to have to say this, but ...They shouldn’t have done it. They are to blame. Why don’t you do something about it? Perhaps they should / ought to do ... 词

汇

compare, graph, phenomenon, fuel, quantity, per, data, catastrophe, climate, consequence, state, range, glance, widespread, decrease, steady, steadily, average, existence, outer, electrical, motor, can (n.), microwave, nuclear, disagreement, title compare to, come about, quantities of, result in, build up, keep on, on the whole, make a difference, put up with, so long as, and so on 语

法

“It” used for emphasis

It is human activity that has caused this global warming.

Ⅲ. 教材分析与教材重组

1. 教材分析

本单元以Global warming 为主线，旨在通过单元教学使学生经过思考、学习，认识到全球变暖的起因和它所带来的种种后果。同时鼓励学生进一步阐述地球所面临的其它严重

问题，激发学生的环保意识。引导学生运用所学语言、句式表达自己对这些现象的看法，培养他们为自己的观点辩论的能力，并能运用所学知识写一篇有关环境问题的论文。

2. 课型设计与课时分配

1st Period Speaking and Listening 2nd Period Reading

3rd Period Extensive Reading

4th Period Language Study 5th Period Drills

6th Period Writing Ⅳ. 分课时教案

The First Period Speaking and Listening Teaching goals

教学目标

1. Target language

目标语言

a. 重点词汇和短语

energy, light (v.), heat (v.), renewable, non-renewable, fuel, blame, run out b. 交际用语

Expressing agreement and disagreement Yes, I agree with you. Yes, I think so. I believe that you’ve got it right. I don’t think so. I don’t think that’s right. I’m afraid you are wrong. 2. Ability goals

能力目标

Enable the students to talk about different sources of energy and express their own ideas. 3. Learning ability goals

学能目标

Help the students learn how to give their ideas about the use of energy. Teaching important points 教学重点

Enable the students to express agreement and disagreement. Teaching difficult points 教学难点

Enable the students to learn how to express agreement and disagreement. Teaching methods

教学方法

Brainstorming, listening and group work.

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Teaching aids

教具准备

A tape recorder and a computer. Teaching procedures & ways

教学过程与方式

Step ⅠRevision Check the students’

homework and have a discussion with the students about the mistakes Mary made. Let the students have a clear understanding about the mistakes and then correct them. Step ⅡWarming up Sample answers: Renewable Wind power Solar power Hydroelectric power Step Ⅲ

Listening and Discussing

T: Now please turn to page 31. Let’s do listening. Before you listen to the tape, please read fast the statements in Exercise 1 to find out the listening points. Pay much attention to the key points while listening. Play the tape for the first time. Help the students get a general understanding about the dialogue. The students listen and try to finish Exercise 1. Play the tape again, train the students’ ability to spot specific information and understand the implication in the dialogue. The students listen and finish Exercise 2. Several minutes later.

Step Ⅳ

Homework 1. Review the new words and expressions you learned in this class. 2. Preview Reading.

The Second Period Reading Teaching goals 教学目标

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戒烟产品排行榜 cfr287wrt 3 Non-renewable Coal Natural gas and oil Nuclear power

1. Target language

目标语言

a. 重点词汇和短语

compare, phenomenon, graph, fuel, trap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build up b. 重点句式

There is no doubt that the earth is becoming warmer. P26 Without the‘greenhouse effect’, the earth would be about thirty-three degrees Celsius cooler than it is. P26 They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. P26 2. Ability goals 能力目标

Enable the students to talk about the causes and effects of global warming. 3. Learning ability goals 学能目标

Help the students learn how to talk about the causes and effects of global warming and express ideas about what people should do about it. Teaching important points教学重点

Help the students learn how to debate over the topic “We should do nothing about global warming.”

Teaching difficult points 教学难点

Enable the students to learn the writing skills of the text and get a better understanding of articles of this kind. Teaching methods 教学方法

Listening, reading and group work. Teaching aids 教具准备

A recorder and a computer. Teaching procedures & ways 教学过程与方式

Step ⅠRevision

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Check the homework. Review the useful expressions about agreement and disagreement. Show the students some pictures on the screen. The students have to give names of different energy sources relative to the pictures and deicide which energy sources are renewable and which are not. Then ask the students to tell the effects of using these energy sources. Step Ⅱ

Pre-reading Step Ⅲ

While-reading Get the students to read the passage fast and meanwhile help the students form a good habit of reading. After a few minutes. T: How many parts can this text be divided into? T: Any different ideas? OK. Now let’s finish the form on the screen. Show the form on the screen and let the students complete the form. Main ideas of each part

Step Ⅳ

Comprehending Let the students read the passage again to find out the answers to the questions in Exercises 1 and 2. T: Now let’s listen to the tape. While listening, pay more attention to specific information. Then read the whole passage by yourselves. Try to find out the answers to questions in Exercises 1 and 2. You may work in groups. Step Ⅴ

Debate

Get the students to debate over the statement: We should do nothing about global warming. Let them work in groups of six to prepare it.

T: Now you are going to have a debate: We should do nothing about global warming. Please follow these instructions. Put the following instructions on the screen. 戒烟最好的方法 www.jieduke.cn 戒烟产品

戒烟产品排行榜 cfr287wrt 5 Writing techniques

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Get into groups of six. Decide which three in your group are going to agree with the statement (Group A) and which three are going to disagree with the statement (Group B). ●

Group A discuss why they agree with the statement; Group B discuss why they disagree. ●

Group A and B get together. Tell each other the reasons why agree or disagree with the statement. T: We don’t have time to do it in class. Please finish it after class. Try to collect as much information as possible on the Internet and share it with the others in class. Next class I’ll get some groups to act out your debates.

Step Ⅵ

Homework 1. Read the passage again and review the new words and expressions. 2. Prepare the debate in groups. 3. Preview Using Language ―

WHAT CAN WE DO ABOUT GLOBAL WARMING？

The Third Period Extensive Reading Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语

pollution, electrical, motor, can (n.), microwave, disagreement, title, make a difference, put up with, leave an electrical appliance on, so long as, and so on

b. 重点句式

P30 Together, individuals can make a difference. It takes a lot of energy to make things from new materials…

Remember — your contribution counts. 2. Ability goals 能力目标

Get the students to realize what individuals can do about global warming. 3. Learning ability goals 学能目标

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Learn what to do in daily life to reduce the carbon dioxide content in the air. Teaching important points 教学重点

Enable the students to know what to do in daily life to reduce the carbon dioxide content in the air. Teaching difficult points 教学难点

Enable the students to learn how to make a poster. Teaching methods 教学方法

Listening, skimming and group work. Teaching aids 教具准备

A recorder and a computer. Teaching procedures & ways 教学过程与方式

StepⅠRevision Check the students’ homework to see whether they have mastered what they learnt last class. Check their group work — debate.

Step Ⅱ

Lead-in Step Ⅲ

Listening and Reading Get the students to read the two letters and then fill in the table on page 30. Skim the letters and find who the writers are and what their purpose of writing the letters is.

Scan the letter and list Earth Care’s suggestions and then in groups, discuss whether you think you can carry out each suggestion. Give reasons for your answers. Step Ⅳ

Making a poster Help the students learn how to make a poster. The teacher may collect some posters or pictures about the environment and show them to the students in class.

Step Ⅴ

Homework Finish the poster.

The Fourth Period Language Study 戒烟最好的方法 www.jieduke.cn 戒烟产品

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Teaching goals

教学目标

1. Target language

目标语言

a. 重点词汇和短语

glance, widespread, decrease, steady, average, existence, outer, on the whole

b. 重点句式

It is human activity that has caused this global warming. P29 …it is the burning of more and more fossil fuels that is resulting in this increase in carbon dioxide. P26 2. Ability goals 能力目标

Learn about “it” used for emphasis.

3. Learning ability goals 学能目标

Help the students learn how to use new words and expressions of this unit and how to use “it” for emphasis. Teaching important points 教学重点

The structure of “It is ... that ...”.

Teaching difficult points 教学难点

Teach the students how to master the use of “it” for emphasis.

Teaching methods 教学方法

Explanation and practice. Teaching aids 教具准备

A computer. Teaching procedures & ways 教学过程与方式

Step ⅠRevision A sample poster: What Can We Do about Carbon Dioxide? Carbon dioxide is one of the main causes of global warming which will bring the earth catastrophe. Here are a few ways that individuals can follow to reduce its content in the air.

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●

Turn the electrical appliances off if you are not using them. ●

Put on more clothes if you are cold instead of turning up the heat. ●

Walk or ride a bike instead of using motor vehicles if you can. ●

Recycle cans, bottles, plastics and newspapers; buy things made from recycled materials. ●

Buy products that are made to save energy such as fridges and microwaves. ●

Plant trees in your garden or school yard. Step Ⅱ

Discovering words and expressions T: Now please open your books and turn to page 28. Let’s do some exercises.

Step Ⅲ

Discovering useful structures T: Next let’s turn back to page 29. We’ll learn a useful structure. Now compare these two sentences below. Show the following two sentences on the screen. Human activity has caused this global warming. It is human activity that has caused this global warming. 由it 引导的强调句结构: It is (was) + 被强调部分

+ that (who) + 句子其他部分

注意：此结构强调的成分仅限于主语，宾语和状语。

如：

原句：My father did the experiment in the lab yesterday evening. 强调主语：

It was my father who did the experiment in the lab yesterday evening. 强调宾语：

It was the experiment that my father did in the lab yesterday evening. 强调时间：

It was yesterday evening that my father did the experiment in the lab. 强调地点：

It was in the lab that my father did the experiment yesterday evening.

又如：

It was in that city that we met for the first time.

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It was not until he told me that I knew the truth. Step IV Using structures Get the students to do more exercises about the use of “it” for emphasis.

T: Please turn to page 64. Read the instructions of the two exercises and then finish them. Sample answers to Exercise 2: (1) It was four Australian children who started it in 1996 when they organized the first children’s environmental conference. (2) It is at this conference that we decide which projects we want to work on in the following year. (3) It was through one of these projects about five years ago that I first became involved in Millennium Kids. Step Ⅵ

Homework Make four sentences with “it” for emphasis.

The Fifth Period Drills Teaching goals

教学目标

1. Target language 目标语言

a. 重点词汇和短语

environmental problem, plastic bags, reuse, litter, rubbish items, Clean Up Day, bring up b. 重点句式

P63 I’m sorry to bring this up, but ...I’m sorry to have to say this, but ... They shouldn’t have done it. They are to blame.

Why don’t you do something about it? Perhaps they should / ought to do ... 2. Ability goals 能力目标

Enable the students to talk about some environmental problems and Clean Up Day. 3. Learning ability goals 学能目标

Help the students learn how to express their own ideas about some environmental problems.

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Teaching important points 教学重点

Enable the students to talk about some environmental problems. Teaching difficult points 教学难点

Enable the students to talk about some environmental problems. Teaching methods 教学方法

Listening, speaking and group work.

Teaching aids 教具准备

A recorder, a computer and a projector. Teaching procedures & ways

教学过程与方式

Step Ⅰ

Revision Check the homework to see whether the students have mastered the use of “it” for emphasis.

Step Ⅱ

Listening Get the students to prepare for the listening by asking some questions. T: OK. We’ll listen to a dialogue about it. Please open your workbooks and turn to page 62. Please read the instructions and questions fast to find out the listening points first. Pay much attention to the key points while listening. Play the tape for the first time. Help the students get a general understanding about the dialogue. The students listen and try to answer questions in Exercise 2. Play the tape again, train the students’ ability to pick out specific information. The students listen and fill in the information sheet in Exercise 3. Play the tape for a third time and let the students check their answers by themselves. Step Ⅲ

Talking Step Ⅳ

Listening task and Speaking task T: Though there are many serious environmental problems, fortunately most countries realize these problems and they are taking steps to save the earth. Clean Up Australia Day is a good example. Next we’ll listen to Tom’s talk about it. Play the tape for the first time. Help the students get a general understanding about the talk. Play the tape again, let the students pay attention to the dates Tom mentioned and what 戒烟最好的方法 www.jieduke.cn 戒烟产品

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happened on these dates. While listening, ask the students to make some notes in the table on page 65. Play the tape for the third time, let them have a check. T: OK, let’s check the answers to Exercise 1.

Explain some difficult points if necessary. Ask the students to read the top 9 rubbish litter Tom mentioned in his talk and let them talk about litter at their school or communities.

Step Ⅴ

Homework Prepare a talk about Clean Up China Day.

The Sixth Period Writing Teaching goals

教学目标

1. Target language

目标语言

a. 重点词汇和短语

litter, butt, pollute, endanger, solution, add up to, break down

b. 重点句式

P66 Apart from the fact that butts spoil the beauty of the environment, they contain some very toxic chemicals. It is up to people not to let plastic bags become litter.

The earth would be a better place because it would be less polluted. 2. Ability goals 能力目标

Enable the students to write an essay on one of the environmental problems. 3. Learning ability goals 学能目标

Enable the students to learn how to write an essay. Teaching important points 教学重点

The structure of an essay. Teaching difficult points 教学难点

Enable the students to learn how to support their points of view.

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Teaching methods 教学方法

Task-based method. Teaching aids 教具准备

A computer and a projector. Teaching procedures & ways 教学过程与方式

Step Ⅰ

Revision and Lead-in Check the homework. Ask two groups to present their talk to the class. Step ⅡReading T: Open your workbooks and turn to page 66. Read Tom’s essay about litter. Make a summary for each paragraph, and then fill in the table on page 67. You don’t have to write down complete sentences, notes will be OK. Pay attention to the writing skills while reading. Step Ⅲ

Pre-writing T: After reading this essay, I’d like you to write an essay on your own. I will give you some tips on how to write an essay. Show the tips on the screen. Writing tips: Step 1: Write out the thesis statement. (point of view) Step 2: Write out the topic sentence of the first body paragraph. Step 3: Give the supporting points and details about the first subtopic. Step 4: Write out the topic sentence of the second body paragraph. Step 5: Give the supporting points and details about the second subtopic. (more body paragraphs ... ) The last step: State again the thesis statement. (point of view) Step Ⅳ

Writing Ask the students to list as many environment topics as possible. Choose one topic and write an essay about it. T: Now think of the environmental problems that concern people most. I will divide you into 戒烟最好的方法 www.jieduke.cn 戒烟产品

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two groups. Each group tries to give as many environment topics as possible. Let’s see which groups get more topics. Ask the students to speak out the topics and collect them on the screen or blackboard. A sample list of environment topics: air pollution, noise, soil erosion, water pollution, litter classification, desertification, make green by planting trees T: Now choose a topic from the list that you feel strongly about. Make notes on your topic using headings similar to those in the table above. Use Tom’s essay as a model to write your own. Step Ⅴ

Homework 1. Finish the essay.

2. Review the whole unit by doing SUMMING UP on page 32 and CHECK YOURSELF on page 68. Clean Up Australia Day.

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