Using LanguageⅡ优秀公开课教案

英语选修八

Unit 2

cloning -------- Using language II

Teaching goals 教学目标

Integrating skills and writing. 1.Target language 目标语言

a. 重点词汇

Strike ……into one’s heart, from time to time, bring back to life, in vain in good/ poor condition

b. 重点句子

The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into people’s hearts.

From time to time people suggest that extinct animals like dinosaurs, can possibly be brought back to life through cloning.

2. Ability goals能力目标

Activate the students to show their opinions about the cloning. Enable the students to write an article on this debate. 3. Learning ability goals学能目标

Help the students learn how to organize a debate and how to write a short composition of the debate. Teaching important and difficult points教学重难点

How to organize the debating materials. How to write a short composition of the debate.

How to write a report. Teaching methods教学方法

Task-based teaching method. /Cooperative learning method Teaching aids A computer and a projector. 4.Teaching procedures & ways教学过程与方式

Step Ⅰ lead-in Show students a video the film Jurassic Park and ask questions 1.Have you ever seen the film ？

2.What animals do you see in the film ？

3. Are they real dinosaurs? 4. Do you think it is possible to clone dinosaurs? Step Ⅱ Reading

1.Skimming: Read the passage to answer two questions

1. Why shouldn’t you clone an extinct animal unless there is enough diversity in the group? 2. Why is it wrong to clone an extinct animal if it would live in a zoo? 2..careful

reading

Please finish the chart.

Disadvantages

Advantages

Animal clones may develop the Medical cloning could produce illnesses of older animals.

cures for serious illnesses in humans

Evil leaders may want to clone Cloning plants can produce themselves

plants of similar quality for sale

There are moral objections to Cloning plants can be useful for cloning human beings

research on new plant species

can help save Animal clones may die younger Cloning than the donor animal

step Ⅲ Group discussion

endangered animals

1.

LOOK at the four pictures about extinct animals and discuss in groups. Which one do you think is worth bringing back to life and why? 2.

students presents their ideas. Step Ⅳ listening

Listen to the tape and fill in the charts.

Rachel’s cloning

ideas about Xiao Qing’s ideas about cloning

Mary’s ideas about cloning

Xiao Qing’s ideas about cloning

Step Ⅴwriting

Show three pictures to students. Choose one person that you want to restore, and write a short report giving your reasons to persuade other

people.

Step VI Homework T: Now you’ve known how to make a debate. （The teacher can show a picture ）So What would happen to our society if human beings can be cloned a lot? After class, you can write a short passage .