Using LanguageⅡppt课件教学实录

BOOK8

Unit 2

Cloning

(Using Language Ⅱ)

时间：2018年6月26日，第18周星期二

第五节

授课班级：高二10班

Teaching objectives: 1)

Enable students to master different listening skills

2)

Help students develop their speaking habits 3)

Enable students to have a further understanding about the technology of cloning

Teaching important and difficult points: 1)

Help students to understand the listening material 1)

Encourage students to apply listening skills when listening to the material teaching and retell the passage with the key words

Teaching Procedures:

Step 1: Leading in Q1--Are the animals below still alive or extinct? Q2--Which kind of animal do you think is the best choice to bring back to life? Why?

Step 2: Pre-listening Q1--1. Is cloning cruel? Q2--2. Are you in favour of cloing or against it? Listen and see whether you agree with Xiao Qing or Rachel.

Step 3: Listening task1--Ask the following three questions: 1. 你觉得克隆是残酷的吗？

2. 在多利羊被成功克隆前有过多少场实验？

3. 当那只可伶的动物看到自己的孩子时会想什么呢？

Step 4: Listening task2--place the sentences in the right place

Rachel’s ideas about cloning

A. cruel to animals B. may bring back extinct animals C. problems because it is a new science D.scientists are doing a wonderful job E. it may provide medicine for illnesses F. weakens the species G.it is a “dead end”

H. makes them do unnatural things

Step 4: Listening task3--fill in the blanks

Xiao Qing’s ideas about cloning

IS CLONING CRUEL? Xiao Qing and Mary Brown are discussing whether cloning is cruel to the animals. RB: Xiao Qing, do you think cloning is_____? XQ: What do you mean by that? The scientists are doing a wonderful job. Soon they may be able to ____

people's favorite pets____ ____ ____. RB: Yes, Qing, I know. But doesn’t that seem strange to you? Is it worth it?It took _____experiments before Dolly was successfully cloned. Think of all those live cells and eggs that died in order for Dolly to be born. I don’t approve of that! XQ: But , Rachel, be _____. Isn’t it always like that with a new science? This is the way you learn to do things better.

RB: I suppose so —

but they also make the animals do unnatural things. One poor cow was made to ____ ____ ____ a bison. What was the poor creature to think when is saw its baby? XQ: I don’t quite understand why so many people are

cloning. I think the scientists need a bit of encouragement.

Think of the _______. Cloning may help medical science produce cures for serious illness. MB: Yes, I’ve heard all that. I agree with it but I don’t agree with the methods. XQ: Why not? MB: Well, I think it’s a____

____. Dolly the sheep was “middle-aged”

when she was born because her DNA came from a middle-aged “mother”.

Step 5：Listening task5-- Answer the following question 1. Does Billy know what people did before cloing was a possibilty?

2. How much will those cells produce new pets?

3. If Billy 's mother goes to the laboratory(实验室) , how long will they spend in America?

4.

When will Billy's mother need her small dog?

Step 6: Speaking task1-- retelling

Billy 的妈妈有钱在狗死前去美国吗？

Billy 和她妈妈会在美国留过长时间？

如果他们足够幸运，多久以后会带一只新狗回来？

去得到一只新的狗是借口吗？目的是什么？

什么时候Billy妈妈需要一只小狗？

Step 7:Summarizing the passage in 5- 6 sentences.

Step 8: Speaking task2--Discussion (pair work)

What do you think of clong humans?

1. 能使世界变得更加有趣，

给人们带来1. 每个人都是特别的，

被克隆的人只不

更多的欢乐

过是复制品罢了

2.

可以克隆一些著名科学家，让他们为人2. 克隆人可能被坏人利用

类做更多的事情

3.

.... ....

4.

... ....

A: I support .... because .....

I agree with .... because .... B: No, that is not reasonable because

I can’t agree with ... because...

Step 9:Assignments Writing topic: Is it necessary to clone endangered animals ? Imate the good sentences on Page B4 of Student Times