Unit3 Science versus nature全单元表格教案.docVIP

课 题 Unit 3 Science versus nature 课时 9-1 Welcome 主备人 Swan 授 课 时 间 教 学 目 标 Enable the students to know something about cloning, and give their own opinions about cloning. Help the students learn how to describe the advantages and disadvantages of human cloning with the target language. 教学重、难点 Talk about cloning and human cloning. How to describe the advantages and disadvantages of human cloning. 教、 学 具 A projector. 预 习 要 求 教师活动内容、方式 学生活动内容、方式 旁 注 Step I Lead-in Walk into the classroom with a sad face. T: Good morning, class. Ss: Good morning, Miss Wang. T：What’s clone? S1:Cloning is one of the most popular technologies in the 20th century. T：What other technologies do we have in recent years? S: Maybe the most influential technology is computer science, which has contributed a lot to our society in many fields. Now, for most of us, we can’t live without computers. T: You are right. Just now you mentioned cloning. Now let’s see some pictures. Show the pictures on the textbook on the screen. Step II Welcome to the unit T: Here are six pictures. They are all clones. Maybe all of you are familiar with Dolly, aren’t you? Ss: Yeah. T: Where and when was Dolly born? Is she still alive? Who can give us some information about Dolly? S: Dolly the sheep was born on February 24, 1997 in Edinburgh Scotland. She was cloned from a cell of another sheep. Dolly died in February, 2003, after developing a progressive lung disease. Step III Discussion Deal with the questions in activity F. Several minutes later, ask some pairs to demonstrate their conversations. We can’t attempt to change something in the nature, or we’ll be punished! So we should try our best to build a society in harmony with nature instead of against nature. Step IV Homework Preview the text on P42. Search the Internet for information about cloning 课 题 Unit 3 Science versus nature 课时 9-2 Reading 主备人 Swan 授 课 时 间 教 学 目 标 Enable the students to learn different opinions on cloning.