Using LanguageⅡ教学设计及教案分析

Unit 2 Cloning Ⅰ. 单元教学目标

技能目标Skill Goals ▲Talk about cloning

▲Practice expressing and supporting an opinion

▲Use the appositive clause

▲Write a composition about cloning

Ⅱ. 目标语言

功

能

句

式

Expressing and supporting an opinion I’m happy to accept... but... I would never accept... I’m not bothered about...

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...

四会词汇

Differ

exact

twin

commercial straightforward

undertake

breakthrough

procedure

carrier

cast

altogether

arbitrary

correction

object

objection

medium

obtain

attain

moral

词

conservative

forbid

accumulate

constitution

compulsory

opera

汇

chorus

loaf

flour

owe

shortly

retire

bother assumption

regulation

strike

initial

vain

resist

drawback

merely

decoration

unable

feather

turkey

claw

adore

hatch

reasonable

2．词组

cast down, object to, the media, in favour of，

（be）bound to（do）..., from time to time,

bring back to life, pay off, in vain 结

Appositive clause

— that 可引导同位语从句

构

重

点

句

子

It is a way of...

The fact is that...

The question that occurred ...

The advantage is that...

Ⅲ. 教材分析和教材重组

1. 教材分析

本单元以Cloning为话题，旨在通过单元教学，使学生了解克隆技术的优缺点，学会表达和支持个人观点，能用所学的有关Cloning的词汇去表述自己对这一新技术的观点和看法。

1.1 Warming Up提供了四幅有关Dolly the sheep(多莉羊)，A strawberry plant(草莓植物)，Identical dogs(克隆狗) ，Twins（双胞胎婴儿）的图片，让学生用已有的知识和经验讨论对克隆技术的看法与观点。

1.2 Listening是关于人类克隆的听力材料，难度中等。

1.3 Speaking根据材料，四人小组合作，要求把自己对克隆婴儿的态度和感觉用相关的语言表达出来。语言要得体，锻炼语段表达能力。

1.4 Pre-reading是Reading的热身活动，它要求采用与同学讨论交流的方式谈论有关克隆的相关知识。

1.5 Reading是一篇介绍克隆技术的说明文。

1.6 Comprehending第一题所给出的表格让学生根据课文内容列举克隆技术的优缺点；第二题让学生根据所拥有的知识来评价作者的观点；第三题要求学生用自己的语言阐述对克隆技术的观点并给出理由。

1.7 Learning about Language分词汇和语法两部分，其中Discovering useful

words and expressions是根据语境在运用中掌握词汇。Discovering useful structures 是通过阅读和补全句子来练习。

1.8 Using Language中的Reading，Discussing and writing要求学生先读, 然后再完成四个任务型的作业，即

1. 讨论并回答三个问题；2. 讨论几种已经灭绝的动物，并且讨论哪种动物应该被恢复到这个世界上，并且给出理由；3. Listening and speaking 让学生根据所听到的内容选择并列出文中人物观点。

2. 课型设计与课时分配

1st Period

Reading Language points 2nd Period

3rd Period 4th Period

Learning about Language

Grammar 5th Period

Using Language

6th Period

Writing

Using Language Teaching goals 教学目标

1. Target language目标语言

a. 重点词汇和短语

theme，fighting，conflict，argument，destruction，in one’s opinion

b. 交际用语Expressing and supporting an opinion I would never accept... I’m not bothered about...

I don’t mind but...

I hope you’ll carry on...

Are you sure you want to...? I agree with you that... Do you think it is wise to...? I think you should... Well done to you for... I can’t help thinking...

I could never agree to... 2. Ability goals能力目标

Enable the students to express their opinions about cloning using some useful expressions. 3. Learning ability goals 学能目标

Help the students learn how to express their opinions. Teaching important points教学重点

Learn to use the structures of expressing and supporting an opinion. Teaching difficult points 教学难点

How to give a speech Teaching methods教学方法

Cooperative learning Teaching aids教具准备

A computer & a projector Teaching procedures 教学过程

Step Ⅰ Warming up T: Good morning / afternoon, boys and girls!

Ss: Morning Mr ... T: Last class we have talked about clone, we all know it is not a dream. Now everyone, if I give you a chance to clone what will you restore then? S: Edison, dinosaurs, Japanese wolf, Einstein. T: Do you want to clone Hitler? S: No. Hitler is a dangerous person. T: If some terrorists master this clone method, they may bring disasters. All your choices are excellent. Today we will learn another passage about cloning, from which we will know whether we can bring dinosaurs back to life.

Ask the students to go through some facts of cloning. T: From these facts we know human beings have achieved great progress in cloning. Now read the text carefully to get the answers for these questions: what animals have people cloned?

S: Frogs, mice, cows, sheep, bison, cats, and dogs. T: Good job. Answer the question: What are the common characteristics of these animals? Ss: They are nowadays animals. T: Yeah, I think you must have seen the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs. Can we really clone dinosaurs now? Let the students turn to page 15 and then read the text quickly.

S: We cannot clone dinosaurs, because it’s difficult for us to get its DNA.

T: Good job. It’s only a dream. Dinosaurs disappeared 65,000,000 years ago. So the chance of dinosaurs ever returning to the earth is merely a dream. Step Ⅱ Read and answer (P16) To answer the questions, teacher can give the students some examples as explanation, for example, Question 1. T: Now think about this question: if in the world there is only one sheep and human beings want to clone more. Some days later a Dolly appears, then many more. But one day all sheep get the same deadly disease. Now please think about what the results are. S: Maybe they would all die.

T: Why?

S: Because all sheep have the same arrangement of genes.

T: Right. Now can you answer Question 1? Why shouldn’t you clone an extinct animal unless there is enough diversity in the group? S: It is useless to clone an animal if there is not enough diversity in the group for it to overcome illnesses. T: Why is it wrong to clone an extinct animal if it would have to live in a zoo? S: If the cloned animals have to live in the zoo, it is unfair to them. They need freedom. T. Why can’t you clone the DNA of animals that have been extinct longer than 10,000 years? S: Dinosaurs disappeared 65,000,000 yeas ago. So the chance of dinosaurs returning to the earth is merely a dream.

Step Ⅲ Discussion (Question 2) Ask the students to have a discussion in groups, organize their words properly, and give vivid description of the chosen animals. T: Now look at the table on page 16, discuss in pairs which extinct animals described are worth restoring by means of cloning. Choose one animal and use the information to help you argue why this animal should be restored to the earth.

Give the students six minutes to discuss. S1: I think Great Auk is a wonder. Because it is a very large bird that cannot fly. The useful thing about it is that its feather doesn’t absorb water. I think if we wear clothes made of its feather, we will not worry about rain. S2: I agree with you. But I am happy to accept Dodo bird because it is friendly and not harmful. I like gentle animals. It can also lay large eggs and its meat is tasty, but I don’t think I will eat its meat. …

T: From your answers I think these animals are all useful and they all should be restored to the earth. At the same time, we should try our best to protect them. Do you agree with me? S: Yes. Step Ⅳ Writing a report (P17) Deal with Questions three and four. Divide the whole class into four groups. Then they can have a competition.

T: Now everyone, imagine all of you are owners of your chosen animal. Now work together, and give us a vivid description of your pet, then I will decide which one is the best to be resorted to the earth. Several minutes later, the students give performances. At the same time, list some major points on the blackboard. T: Well done everyone. It is really hard for me to choose, let us vote OK? Step Ⅵ Homework T: Write down your feelings and attitudes towards clone. Combine them into a composition.

Sample version 1:

In my opinion it is wrong to clone human beings. If my parents decide to have a clone made of me, I will feel very sad and I will never accept the clone as a member of my family or as my friend because I think it is unfair to natural things.

We are all sons of nature, birth or death is a natural thing. The day we born, it destined we are independent. Nobody has the right to change ourselves. If one day I were to be cloned to another person, he would kill me, because I lost some original characters. I hope we should respect human beings, and not change any original things. Sample version 2:

I think the cloning represents the progress of the mankind. But it still has many problems to work out, the law, the ethic and especially the goals and purposes for cloning. However, we are actually doing much of this research for the improvement of life for humans. We should get benefit from cloning.

In China, the government has put out written policy on human cloning. It has officially banned research on human cloning for reproduction purposes, but allows cloning on embryonic stem cells and remedial cloning. As we all known, everything can’t be perfect. We should treat the cloning with correct attitudes. We should know the advantages and disadvantages of cloning.