高二英語選修六uint4備課材料

1、高中英語選修六Unit4備考材料Unit 4 Global warming一、單元教案一）教學內(nèi)容分析: 本單元以Global warming 為主線，旨在通過單元教學使學生經(jīng)過思考、學習，認識到全球變暖的起因和它所帶來的種種后果。同時鼓勵學生進一步闡述地球所面臨的其它嚴重問題，激發(fā)學生的環(huán)保意識。引導學生運用所學語言、句式表達自己對這些現(xiàn)象的看法，培養(yǎng)他們?yōu)樽约旱挠^點辯論的能力，并能運用所學知識寫一篇有關(guān)環(huán)境問題的論文。二）單元教學目標技能目標Skill GoalsTalk about global warming, pollution and the importance of prote

2、cting the earthPractise expressing agreement, disagreement, blame and complaintHow to use“it” for emphasis in a sentenceWrite an essay on environmental problems三）詞 匯compare, phenomenon, fuel, quantity, per, data, climate, consequence, state, range, glance, widespread, decrease, steady, steadily, ave

3、rage, existence, outer, electrical, motor, can, microwave, 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四）語 法“It” used for emphasisIt is human activity that has caused this global warming.

4、五）課型設(shè)計與課時分配1st Period Words and expression 2nd PeriodWarming up and reading3rd PeriodExtensive Reading 4th PeriodLanguage Study5th PeriodListening and writing 6th PeriodExercises . 分課時教案教案一 Warming up and readingTeaching goals 教學目標1. Target language 目標語言a. 重點詞匯和短語compare, phenomenon, graph, fuel, tr

5、ap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build upb. 重點句式There is no doubt that the earth is becoming warmer. P26Without thegreenhouse effect, the earth would be about thirty-three degrees Celsius cooler than it is. P26They als

6、o agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. P262. Ability goals 能力目標Enable the students to talk about the causes and effects of global warming.3. Learning ability goals 學能目標Help the students learn how to talk about the causes and

7、 effects of global warming and express ideas about what people should do about it.Teaching important points教學重點Help the students learn how to debate over the topic “We should do nothing about global warming.”Teaching difficult points 教學難點Enable the students to learn the writing skills of the text an

8、d get a better understanding of articles of this kind.Teaching methods 教學方法Listening, reading and group work.Teaching aids 教具準備 A recorder and a computer.Teaching procedures & ways 教學過程與方式Step RevisionCheck the homework.Review the useful expressions about agreement and disagreement.Show the stud

9、ents 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 Pre-readingStep While-readingGet the s

10、tudents 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 lets finish the form on the screen.Show the form on the screen and let the students complete the form.Main

11、 ideas of each partWriting techniquesStep ComprehendingLet the students read the passage again to find out the answers to the questions in Exercises 1 and 2.T: Now lets listen to the tape. While listening, pay more attention to specific information. Then read the whole passage by yourselves. Try to

12、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: 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

13、warming. Please follow these instructions.Put the following instructions on the screen. 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

14、 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 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 o

15、thers 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 expressions.2. Prepare the debate in groups.3. Preview Using Language WHAT CAN WE DO ABOUT GLOBAL WARMING？教后反思：教案二 Language points1. So how has this come about

16、and does it matter?Can you tell me how the accident came about? With the use of electricity, great changes have come about. 總結(jié)：come about發(fā)生, 造成, 相當于happen/take place/ occur to是不及物短語。come out 出現(xiàn); 出版 come across 偶然遇見 come back to life 蘇醒過來 come up with 行處；提出 come up 發(fā)生、舉行; 出現(xiàn) come into being 形成練練：Its

17、already 10 oclock. I wonder how it _ that she was two hours late on such a short trip. (湖北2006) A. came over B. came out C. came about D. came up 2. There is no doubt that.回顧舊知：用 whether/if/that填空There's a doubt _ he'll keep his promise. (whether) There is no doubt _ they will ask you for he

18、lp. (that)I have no doubt _ you will succeed. (that)I don't doubt _ he is telling the truth. (that)Do you doubt _ he will win the match? (that)We doubt _ she will be persuaded. (whether/if)小結(jié)：作名詞：肯定句中doubt多接whether (一般不用if代替) 同位語從句。否定句中doubt多接that同位語從句。作及物動詞：用于否定句或疑問句, 后接that引導的賓語從句。用于肯定句, 一般接wh

19、ether 或if引導的賓語從句。 3.All scientists subscribe to the view that the increase.Subscribe：vi 同意；捐贈；訂閱 , vt（簽署）文件；捐助譯例句總結(jié)：How much did you subscribe (to the disaster fund)? 捐贈Which journals do you subscribe to? 訂閱I dont subscribe to such views.Subscribe your name at the end of the paper. 簽名4. The problem

20、begins when we add huge quantities of of extra.回顧舊知： large quantities of/ a large quantity of + 可數(shù)/不可數(shù)n 大量練練：-Why does the lake smell terrible? -Because large quantities of water D .A. have polluted B. is being polluted C. has been polluted D. has been polluted5.It means that more heat energy tends

21、to be trapped in. 看例句理解意思：Women tend to live longer than men. 往往會 ，常常會His views tend towards/to the extreme. tend towards/to 朝向，趨向Doctors and nurses tended the injured. 照料；照管；護理= take care of/ook after 拓展：tendency n 趨向；趨勢；傾向6. 區(qū)別：result in導致 /result from 由于； 由.引起練練：Acting before thinking always resu

22、lts _ failure. （in）The accident resulted _ the death of two people. （in）His sickness resulted _ eating too much. （from）7. be opposed to.8. average教后反思：教案三 Extensive ReadingTeaching goals 教學目標1. Target language 目標語言a. 重點詞匯和短語pollution, electrical, motor, can (n.), microwave, disagreement, title, make

23、 a difference, put up with, leave an electrical appliance on, so long as, and so on b. 重點句式 P30Together, individuals can make a difference.It takes a lot of energy to make things from new materialsRemember your contribution counts.2. Ability goals 能力目標Get the students to realize what individuals can

24、 do about global warming.3. Learning ability goals 學能目標Learn what to do in daily life to reduce the carbon dioxide content in the air.Teaching important points 教學重點Enable the students to know what to do in daily life to reduce the carbon dioxide content in the air.Teaching difficult points 教學難點Enabl

25、e the students to learn how to make a poster.Teaching methods 教學方法Listening, skimming and group work.Teaching aids 教具準備A recorder and a computer.Teaching procedures & ways 教學過程與方式StepRevisionCheck the students homework to see whether they have mastered what they learnt last class.Check their gro

26、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

27、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.教后反

28、思：教案四 Language StudyTeaching goals 教學目標1. Target language 目標語言a. 重點詞匯和短語glance, widespread, decrease, steady, average, existence, outer, on the whole b. 重點句式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

29、 in carbon dioxide. P262. Ability goals 能力目標Learn about “it” used for emphasis.3. Learning ability goals 學能目標Help the students learn how to use new words and expressions of this unit and how to use “it” for emphasis.Teaching important points 教學重點The structure of “It is . that .”.Teaching difficult p

30、oints 教學難點Teach the students how to master the use of “it” for emphasis.Teaching methods 教學方法Explanation and practice.Teaching aids 教具準備A computer.Teaching procedures & ways 教學過程與方式Step RevisionA sample poster:What Can We Do about Carbon Dioxide?Carbon dioxide is one of the main causes of global

31、 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 using them. Put on more clothes if you are cold instead of turning up the heat. Walk or ride a bike instead of using mo

32、tor 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 Discovering words and expressionsT: Now please open your books an

33、d turn to page 28. Lets do some exercises. Step Discovering useful structuresT: Next lets turn back to page 29. Well 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

34、has caused this global warming.由it 引導的強調(diào)句結(jié)構(gòu):內(nèi)容回顧:由it 引導的強調(diào)句結(jié)構(gòu): It is (was) + 被強調(diào)部分 + that (who) + 句子其他部分運用此結(jié)構(gòu)分別強調(diào)該句的主語，賓語和狀語。練：My father did the experiment in the lab yesterday evening.強調(diào)主語： It was my father who did the experiment in the lab yesterday evening.強調(diào)賓語： It was the experiment that my fath

35、er did in the lab yesterday evening.強調(diào)時間： It was yesterday evening that my father did the experiment in the lab.強調(diào)地點： It was in the lab that my father did the experiment yesterday evening. 強調(diào)句型的一般疑問句式：Is/Was it+被強調(diào)部分+that+句子的其余部分？Is it Professor Liu who/that teaches us English this year?強調(diào)句型的特殊疑問句式：

36、It is professor Liu that teaches us English this year.(對劃線部分提問)Who is it that teaches us English this year?練：It is English that professor Liu teaches us this year. (對劃線部分提問)What is it that Professor Liu teaches us this year? notuntil句型的強調(diào)句型He didnt leave until 11 o clock.It was not until 11 oclock t

37、hat he left.（強調(diào)not until時間狀語）總結(jié)：當被強調(diào)的是notuntil句型時，應(yīng)將not置于until之前，主句由否定句改為肯定句。練：I didnt know the truth until he told me.(強調(diào)時間狀語)It was not until he told me that I knew the truth.Step IV Using structuresGet the students to do more exercises about the use of “it” for emphasis.T: Please turn to page 64.

38、 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 childrens environmental conference.(2) It is at this conference that we decide which projects we want to work on in t

39、he following year.(3) It was through one of these projects about five years ago that I first became involved in Millennium Kids.Step HomeworkMake four sentences with “it” for emphasis.教后反思：教案五 WritingTeaching Goals:1.To discuss and read about global warming.2.To learn to write a poster.Skimming:Skim

40、 the letters and find who the writers are and what their purpose of writing the letters is. (The first letter is written by a student who is asking for suggestions for his project global warming.The second letter is written by an editor of Earth Care magazine. He offers the student some suggestions on what to do about global warming. )Scanning: Read the second letter, and answer the question:Does Earth Care agree with Ouyang Guangs opi