高中英语选修6 unit4 global warming教案人教新课标文档格式.docx

1、 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, c

2、ome 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 emphasisIt is human activity that has caused this global warming. 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

3、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 . 分课时教案 The First Period Speaking and ListeningTeaching goals

4、 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 outb. 交际用语Expressing agreement and disagreementI dont think thats right. Im afraid you are wrong.2. Ability goals 能力目标Enable the students to talk about different sources of energy and expr

5、ess 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 di

6、sagreement.Teaching methods 教学方法Brainstorming, listening and group work.Teaching aids 教具准备A tape recorder and a computer.Teaching procedures & ways 教学过程与方式Step RevisionCheck the students homework and have a discussion with the students about the mistakes Mary made. Let the students have a clear unde

7、rstanding about the mistakes and then correct them.Step Warming upSample answers:RenewableNon-renewableWind powerCoalSolar powerNatural gas and oilHydroelectric powerNuclear powerStep Listening and Discussing T: Now please turn to page 31. Lets do listening. Before you listen to the tape, please rea

8、d 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

9、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 Homework1. Review the new words and expressions you learned in this class.2. Preview Reading.The Second Period Readingcompare, pheno

10、menon, graph, fuel, trap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build upb. 重点句式There is no doubt that the earth is becoming warmer. P26Without thegreenhouse effect, the earth would be about thirty-three degrees Celsius cooler t

11、han it is. P26They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. P26Enable the students to talk about the causes and effects of global warming.Help the students learn how to talk about the causes and effects of global warming an

12、d 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.”Enable the students to learn the writing skills of the text and get a better understanding of articles of this kind.Liste

13、ning, reading and group work.Teaching aids 教具准备 A recorder and a computer.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

14、which energy sources are renewable and which are not. Then ask the students to tell the effects of using these energy sources.Step Pre-readingStep While-readingGet the students to read the passage fast and meanwhile help the students form a good habit of reading.After a few minutes. How many parts c

15、an this text be divided into? Any different ideas? OK. Now lets finish the form on the screen.Show the form on the screen and let the students complete the form.Main ideas of each partWriting techniquesStep ComprehendingLet the students read the passage again to find out the answers to the questions

16、 in Exercises 1 and 2. Now lets 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 Debate Get the students to debate over the statement:

17、 We should do nothing about global warming. Let them work in groups of six to prepare it. 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. Get into groups of six. Decide which three in your g

18、roup 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 statem

19、ent. We dont 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 Ill get some groups to act out your debates. Step Homework1. Read the passage again and review the new words and ex

20、pressions.2. Prepare the debate in groups.3. Preview Using Language WHAT CAN WE DO ABOUT GLOBAL WARMING？The Third Period Extensive Readingpollution, 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.

21、 重点句式 P30Together, individuals can make a difference.It takes a lot of energy to make things from new materialsRemember your contribution counts.Get the students to realize what individuals can do about global warming.Learn what to do in daily life to reduce the carbon dioxide content in the air.Ena

22、ble the students to know what to do in daily life to reduce the carbon dioxide content in the air.Enable the students to learn how to make a poster.Listening, skimming and group work.StepRevisionCheck the students homework to see whether they have mastered what they learnt last class.Check their gro

23、up work debate. Step Lead-inStep Listening and ReadingGet 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 Cares suggestions and then in groups, di

24、scuss whether you think you can carry out each suggestion. Give reasons for your answers.Step Making a posterHelp 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 HomeworkFinish the poster.The

25、 Fourth Period Language Studyglance, widespread, decrease, steady, average, existence, outer, on the whole It is human activity that has caused this global warming. P29it is the burning of more and more fossil fuels that is resulting in this increase in carbon dioxide. P26Learn about “it” used for e

26、mphasis.Help the students learn how to use new words and expressions of this unit and how to use “it” for emphasis.The structure of “It is . that .”.Teach the students how to master the use of “it” for emphasis.Explanation and practice.A computer.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. Turn the electrical appliances off if you are not