Unit 2 Cloning

高中英语 Unit 2 Cloning 人教版第八册Teaching aims:1. Topic Talking about cloning2. Useful words and expressions:Strawberry, differ, exact, straightforward, breakthrough, disturbing, cast, altogether, objection, media, ceiling, shortly, retire, assumption, merely, decoration, zebra, aloud. Expressions: cast down, object to, the media, in favour of, bound to, from time to time, bring back to life, pay off.3. Functional items:Expressing and supporting an opinion I’m happy to accept… but… I’m not bothered about… I would never accept… I don’t mind but… I hope you’ll carry on… Are you sure you want to..? I agree with you that… Is it fair to…? Do you think it is wise to…? I think you should… Well done to you for… I don’t understand why you don’t… I can’t help thinking… I could never agree to… 4. Grammar Revise Noun Clauses (as the Appositive)1. Nobody shares my belief that he was mad.2. They are familiar with the opinion that all matter consists of atoms.3. The suggestion came from the chairman that the new rule should be adopted.Teaching proceduresPeriod 1 ReadingStep 1. Warming upA. Lead in: If necessary, introduce something about cloning by questions and answers:The three types of cloning: 1. recombinant DNA technology or DNA cloning; 2. reproductive cloning; 3. therapeutic cloningB. Discuss the pictures on P10, then finish the warming-up exercises. Questions about cloning:1. What’s cloning?2. How is a clone produced?3. What benefits can humans gain from cloning?4. What problems may arise when humans are cloned?5. Should we clone human?6. Could cloning replace sex as the means of creating human life?Step 2. ReadingTask 1: Ss scan the passage and try to get the main idea of each par...