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1、Unit3Task Writing a formal letter1Skills building 1:changing or correcting a textLets first do an interesting game called-“Chinese whisper”2The keyThe sentence that “the man who laughs last laughs the best” is a useful motto.3ConclusionWhen we are asked to pass information, we usually make mistakes.
2、 We need to:1 correct grammatical errors and spelling mistakes2 make changes to the information in the text3 change the style or the tone4Tips for listeningRead the questions or instructions carefullyListen closely when spelling is givenPay attention to words or phrases that express contradiction, s
3、uch asNo, I dont think so.Thats not right.And I think it should be5Step 1: confirming information1 What does GM stand for?2 What is GM food?3 Is it the same as natural food?Listen and make notes about GM food6Skills building 2:conducting a discussionHow to ask for peoples opinionse.g. What do you th
4、ink? / Dont you think so? /Do you agree? / Is that your opinion too?How to introduce new ideas into the discussione.g. Another argument is that / Dont forget / On the other hand, /We can also / But what about?7Step2: reporting back to a science journalIn step 1, weve learned a lot about GM food, fir
5、st, lets invite a student to say something briefly about GM food.Then, you can discuss with your group members and finish step 2.8Feedback of step 1 & 2Now that we have finished step 1 and 2, you must have learned a lot about GM food. Now comes our next task:Prepare an interview between a student an
6、d the scientist to talk about GM food using the vocabulary of part B on page 55.Then finish part C and D after class.9Skills building 3: writing a formal letterThe basic elements and format of a formal lettere.g. your address / the date / receivers name, job title and address / formal greeting / for
7、mal ending / your name and signature10Skills building 3: writing a formal letterSome useful phrases to start and end a formal letter:Start: With reference to / Thank you for /In reply to / I am writing to inform you End: I would be grateful if you could / I hope you would / I look forward to hearing
8、 from you soon. / If you require any further informationLabel the different parts of the letter.11Step 3: writing a letter about GM foodRead the first letter and ask students to list the main points about GM food.Read the second letter and ask students to list the main points about GM food.Combine t
9、he points together what weve learned from Step 1 & 2, then finish Part B on page 57. You can discuss with your group members.121. it would show that the majority of peoplemajority n. 多数，多半多数，多半a / the majority of + cn. / un.in the majority 占大多数占大多数 The majority of his books are kept upstairs.他的大部分藏书
10、在楼上。他的大部分藏书在楼上。The proposal was passed by a majority of 66.提议以超过提议以超过66票通过票通过minority 反义词反义词 ：少数：少数132. To conclude, I urge you to seek the opinions urge: v.催促，主张，要求；催促，主张，要求；n.冲动冲动 urgent adj. 紧急的，紧迫的紧急的，紧迫的 urge sb. to do sth. 力劝某人做某事力劝某人做某事urge sb. into doing sth.力劝某人做力劝某人做urge that sb. (should)
11、do要求某人要求某人做做urge sth. on / upon sb.对人主张对人主张have an urge to do sth.渴望做某事渴望做某事urge against 极力反对极力反对143. Scientists admit that few tests have been performed on GM food.perform: v. 表演，履行，执行表演，履行，执行performer n. performance n.perform a part in 在在中扮演角中扮演角色色perform duty 尽职责尽职责perform an experiment 做实验做实验put
12、 on a performance 演出演出154. The very genes that make crops resistant to pestsresistant: adj. 抵抗的，反抗的抵抗的，反抗的resist v.抵制，抵抗抵制，抵抗 resistance n. 反抗，抵抗力反抗，抵抗力resister n. 抵抗者抵抗者resistible adj. 可抵抗的可抵抗的This metal resists rust. 这金属防这金属防锈。锈。 The seedlings are resistant to cold weather. 这些秧苗有抗寒力。这些秧苗有抗寒力。165.
13、So far, research has been limited to limit: v. 限制，限定；限制，限定；n.限制，界限限制，界限within limits 适度地，节制地适度地，节制地within the limits of 在在的范围之内的范围之内the limit of ones patience 忍耐的忍耐的限度限度set a limit to sth. 确定限度确定限度limit sb. to (doing) sth.限制某人做限制某人做某事某事Theres a limit to what one can do.一个人的能力是有限的。一个人的能力是有限的。17HomeworkWrite a formal letter to the head office of the supermarket chain. You may mention:Your opinions about GM foodThe pros and cons of GM foodAny concerns your group brought up in step 2, part DWhat do you think the supermarket should do1819
