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2010年郑州市高中英语优质课竞赛决赛教案 人教版选修8
Unit 2 Cloning 语言运用课（Using language）Reading, discuing and writing
郑州四中
杨蕾
Teaching Goals:
1.Enlarge students’ knowledge of cloning.2.Enable the students to write an article on a debate.Target Language: extinct, bring…back to life, advanced, restore, in good / poor condition Teaching important & difficult points:
How to organize the debating materials.How to write a short composition of the debate.How to write a report.Teaching methods:
Task-based teaching method.Teaching aids：
A computer, a projector and other basic teaching aids.Step1 Leading in
Show students several pictures about cloning and lead students to the text.Step 2 Reading(Page 15)
I.Listening & fast reading: Listen and follow the tape silently.And then answer the question.When did the cloning of mammals begin? The cloning of mammals began seriously in the 1950s.Give students some skills of fast reading: Concentrate your attention;Grasp important words and sentences;Ⅱ.Careful reading: Read the text carefully and find the answer to the question.Why is it impoible to clone some extinct animals?There are many reasons:
perfect DNA enough diversity(多样性)in the group a suitable habitat Ⅲ.Words and sentence patterns:
Words: extinct, restore, bring… back to life, advanced Sentences:
1.The popularity of films such as Juraic Park, in which a scientist clones several kinds of extinct dinosaurs, prove how the idea struck a mixture of fear and excitement into people’s hearts.2.This is because the cloning of mammals is still a new science and its story only began seriously in the 1950s.Step 3 Discuing(Page16)
Which extinct animal is worth restoring by means of cloning?(give students two choices.)After the discuion, ask students to report it.Step 4Writing(Page16)Write a short article giving your reasons to restoring your animal.(There are at least 100 words.)Give students the structure of the article.…is the most suitable animal to be cloned for several reasons.First, ….Second,… Third, … Fourth,… Fifth,…
Although it needs…this can be easily provided with the help of technology.Step5 Homework
Are you for or against cloning? 2
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