Unit 3

Unit 3 Science and nature

Writing a formal letter Task Writing a formal letter

changing or correcting a text Skills building 1: changing or correcting a text Let’s first do an interesting game called — “Chinese whisper” The key： The sentence that “the man who laughs last laughs the best” is a useful motto.

Conclusion 1. correct grammatical errors and spelling mistakes When we are asked to pass information, we usually make mistakes. We need to: 1. correct grammatical errors and spelling mistakes 2. make changes to the information in the text 3. change the style or the tone

Tips for listening read the questions or instructions carefully listen closely when spellings are given pay attention to expressions that introduce contrary, such as: No, I don’t think so. That’s not right. And I think it should be…

Notes about height-increasing operations Listen to the conversation between them and correct the notes below. Notes about height-increasing operations 1. Legs can be made up to 8 cm longer. 2. The new bone is not as strong as before. 3. A 45-year-old man died after trying to grow by 6 cm. 18 去掉 not 35-year-old

4. Patients cannot do any exercise for three years. 5. It takes 14 months to increase your height by 12 cm. 6. Age pf patients: 16 to 55. 7. 5% of operations are not successful. 8. Costs 185000 yuan. two 18 60 8% 85000

confirming information Step 1: confirming information 1. What is cloning? 2. Do you know any food from cloned plants or animals?

Listen to the tape then correct the following sentences. 2. Twins are clones of each other, and are the same creature or plant. 3. You can clone a deaf person and bring him or her back to life. but are not can’t; dead

4. You’ll probably never eat any food from cloned plants. 5. Cloning does not occur in nature. 6. Many of the grapes, tomatoes and bananas in the supermarket come from plants that had been cloned in this way. ’ve; already eaten has always occurred potatoes; have

7. Cloning can really help us in farm construction, so that we can feed more people with cheaper and bitter food. 8. We can clone a cow so that it will produce high-quality milk. food production; more and better so去掉；produces

Circle T for true or F for false. 1. Cloning is dangerous in most cases. T / F 2. Nearly all plants spread by making clones of themselves. T / F 3. Farmers have been making clones for centuries. T / F

4. Scientists only clone plants that grow in poor soil. T / F 5. Clones can be better in quality than the plants or animals they were cloned from. T / F

conducting a discussion Skills building 2: conducting a discussion Asking for people’s opinions e.g. What do you think? Don’t you think so? Do you agree? Is that your opinion too? What are your thoughts on this topic? Do you feel the same about…?

e.g. Another argument is that… Another way of looking at it is… Introducing new ideas into the discussion e.g. Another argument is that… Another way of looking at it is… Don’t forget… On the other hand, … We can also… Have you thought about? But what about…?

collecting more information Step 2: collecting more information List the things you know about food from cloned plants or animals. You can refer to the previous steps for more information.

A You are going to interview another scientist about food from cloned plants or animals. Add a sixth section. Then write some questions next to the sections.

Interview form Do you think it is safe for people to have food from cloned plants or animals? Are there any side effects if people have food from cloned plants or animals？

3 Does it taste the same as / nicer than normal food? 4 Do you agree that food from cloned plants or animals ids more expensive than normal food?

Do you think the government should do something to ensure its safety Do you think the government should do something to ensure its safety? If so, what should be done? Have you thought about whether people would like to buy food from cloned plants or animals?

Work in pairs and do Part B on Page 55, then with another Group work Work in pairs and do Part B on Page 55, then with another partner do Part C, finally work in small groups and do Part D.

writing a formal letter Skills building 3: writing a formal letter The basic elements and format of a formal letter: e.g. your address / the date / receiver’s name, job title and address / formal greeting / formal ending / your name and signature Some 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 from you soon. / If you require any further information…

Label the different parts of the letter. Mr. Frank Brown — receiver’s name Public Relations Manager — receiver’s job title Safety Laboratories 305 Queens Drive Liverpool receiver’s address

Dear Mr. Brown — formal greeting Yours sincerely — formal ending Jim Davidson — your signature 101 High Street London your address 1 May 2011 — the date

writing a letter to a supermarket Step 3: writing a letter to a supermarket Group work Read the articles in Part A on Page 57 and underline all the advantages and disadvantages about food from cloned animals. Then discuss how to write the letter.

Language points on page 56 …it would show that the majority of people… majority n. 多数，多半 a / the majority of + cn. / un. e.g. in the majority 占大多数 The majority of his books are kept upstairs.他的大部分藏书在楼上。 The proposal was passed by a majority of 66.提议以超过66票通过。 minority 反义词 ：少数

Homework Write a formal letter to the head office of the supermarket chain. You may want to mention: your opinions about food from cloned animals the pros and cons of food from cloned animals any concerns your group brought up what do you think the supermarket should do