2019-2020年高中英語(yǔ)必修5Unit3Scienceversusnature--Task

1、2019-2020 年高中英語(yǔ)必修 5Unit3Scienceversusnature-TaskTeach ing aims1. Lear n how to cha nge or correct a text2. Lear n how to con duct a discussi on3. Lear n how to write a formal letterProceduresskills buildi ng 1 cha nging or correct ing a text.Through a game ca lled“Chinese whisper”, let Ss learn when

2、 we are asked to passin formati on, we n eed to1 correct grammatical errors and spelli ng mistakes2 make changes to the information in the text3 cha nge the style or the tone2. liste n with the guide abovestep 1 con firm ing in formatio n1. Discuss about what GM food is before listening2. Liste n to

3、 the tape and make no tes while liste ningskills buildi ng 2 con duct ing a discussi on1. Learn how to ask for peoples opinions and introduce new ideas to the discussione.g. What do you think? / Don t you think so? /Do you agree? / Is that youropinion too?e.g. Another argument is that/ Don t forget/

4、 On the other hand,/We can also/ Butwhat about?step 2 report ing back to a scie nee journal1. Ask students to talk about GM food briefly with the note they made in step1.2. Discuss the in formatio n among group members3. Prepare an in terviewbetwee n a scie ntist and a stude nt,using the in formati

5、onyouve collected.skills building 3 writing a formal letter1. Learn the basic elements of a formal lettere.g. your address / the date / receivers name, job title and address / formal greeti ng / formalending / your n ame and sig nature2. Learn some useful phrases to start and end a formal letter, th

6、en finish thetask.Start: With referenee to/ Thank you for/In reply to/ I am writing to inform youEnd: I would be grateful if you could/ I hope you would/ I look forward to heari ng fromyou soon. / If you require any further in formatio nstep 3 writing a letter about GM foodRead the first letter and

7、ask stude nts to list the main points about GM food.Read the seeond letter and ask students to list the main points about GMfood. bine the pointstogether what we ve learned from Step 1 & 2, then finish Part B on page 57. You can discusswith your group members.HomeworkPart B on page 572019-2020 年

8、高中英語(yǔ)必修 5Unit3Scienceversusnature-WeleTeach ing objectives:1. To arouse stude ntsin terest in the unit topic2. To help stude nts kwon more about cloning tech no logy3. To en courage stude nts to participate in the discussi on releva nt to clo ningTeach ing focus and difficulties:1. Make sure that stu

9、de nts can have the basic kno wledge about cloning.2. Make sure that each stude nt can hold their own opinions towards cloning.Teach ing aids:The multimediaBrief teach ing procedures:Step1 Brainstorming1. Ask students to read the title of the unit studentsattention to the wordversus. Tellthem thatve

10、rsusisusually used when discussing sports petitions or the law, which meansthat two teams orsides are against each other.Encourage students to think whyversusis used here. Ask students thefollowing questions:Do you think there is conflict between science and nature? What might the conflict be?2. Sho

11、wa picture of the first cloned mammal,Dolly. Give someintroduction about the creationof Dolly. Tell students this newtechnology is calledcloning, which produces an exact copyof an animal or a plant from its own cells.3.Lead students to learn the unit while thinking about the relationship betweenthe

12、title of the unitScience versus nature and cloning technology.Step2 Sharing information1. Showthe following five pictures one by one, each of which showsa successfullycloned animal. As to the five pictures, we conduct the following activities.(Picture2) Tell students that the mule in the picture is

13、the worlds firstcloned mule. It was born on 4 May xx. His name is Idaho Gem and his brother, Taz, was aracing mule that has won many petitions.(Picture3) Tell students that the kitten in the picture is called Cc. Its name is fromCopycat.Scientists in the USA created it with a cell taken from its mot

14、her, Rainbow. It was born inDecember xx.(Picture4) The five little pigsnames are Noel, Angel, Star, Joy and Mary.(Picture5) The pair of calves were born on 5 July xx in Ishikawa, Japan. They were two yearsyounger than Dolly, being the second adult animal clones in the world.(Picture6)The nameof the

15、cloned monkey is ANDi. It is frominserted DNAspelt backwards. It is the first genetically modified monkey. The technology is different fromScience versus nature . Drawthat used for Dolly.2. Get students to form groups of four or six to discuss the further questions: From just thesepictures, can you

16、identify the differences between the cloned animals and normal ones?In your opinion, what might be the differences between these cloned animals and normal ones?Can these animals lead a normal life as normal animals?Ask several groups to report their answers to the class. Allow different opinions and encouragefurther discussion.3. Have students hold a debate about whether it would be a good idea to clone humans someday. Divide students into two groups. One group represents anti-cloning views while theother represents pro-cloning views. Encourage students to provide as many reasons asthe