高中英語 Unit3 Science and nature Task課件1 牛津譯林版必修5.ppt

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牛津高中英語,,(模塊五 ·高二上學(xué)期),Advance with English,Task,Unit,3,Writing a formal letter,Unit 3,課件描述：,本課件目的是讓學(xué)生了解如何寫一封正式的書信，并通過聽、說、讀、小組活動等多種方式讓學(xué)生對以克隆動物為原料的食品有較為充分的了解，為下一節(jié)課寫信做好內(nèi)容方面的準(zhǔn)備。,Task Writing a formal letter,Task to be completed: write a formal letter.,Scan the following sample letter and find out the main idea.,Dear Mr. Brown, I am writing about your plans to start cloning human beings in the UK. I believe this technology is horrible and must be stopped immediately. I understand that other countries have already begun trying to clone human beings, but this does not mean that we should follow in their footsteps. I am sure that if you conducted a survey among UK citizens, it would show that the majority of people would not support this type of scientific research. In summary, I insist that you take the opinions of the people of the UK into consideration, and end this practice immediately. Yours sincerely, Jim Davidson,Cloning,The company plans to start cloning human beings.,It’s horrible and needs to be stopped./ opinions and supporting details.,Topic: Situation: Main idea:,Cloning,A local supermarket is planning to sell cloned food.,Your opinions on cloned food and supporting details.,Topic: Situation: Main idea:,,Today’s learning objective:,Pile up information and form general opinions.,Cloned food,,Food from cloned animals,GM knowledge QUIZ,Have a go!,,,,Tick the answer that you think right. Growth hormones are used in meat/ eggs/ vegetables. Growth hormones make animals grow faster/ fatter. Growth hormones don’t help keep/ keep animals healthy. GM food is more expensive / cheaper than natural food. GM food technology is / isn’t a new scientific development. GM food tastes the same as/ better than/ worse than natural food. Free-range food comes from animals that aren’t / are given drugs. Free-range food is cheaper/ more expensive/ as expensive as GM food. Free-range animals are kept in dark sheds/ are not kept in sheds. Most people don’t mind paying/ would not pay more for free-frange food.,Listen and check,Tip 1: Proofread by correcting some information like grammatical errors, spelling mistakes and some major data.,More information about GM food:,As is mentioned in the two short passages on P57, GM food:,Is nutritious, healthy, cheaper and not easily has a longer shelf life, and has a longer shelf life. Besides, more extra food is being produced thanks to this technology. It could be harmful. The safety can’t be ensured.,1. What’s your personal attitudes towards GM food?,Time to hear your voice!!,2. Can you find out about the views held by your classmates?,,Conduct an interview,Interview form Safety of GM food Possible side effects Taste compared with normal food Cost Need for government control .,Work with your group members and come up with one more question. Try to use the useful expressions suggested on page 54 and ask and answer questions. Please write down the conclusions on the blanks.,Tip2: Vary your ways of asking for and giving opinions.,summary,,What have we learned today?,,