Using LanguageⅡ优质课一等奖

Unit 2

Cloning

Period

5

Using language

【Teaching goals】

1. Target language目标语言:

a. 重点词汇和短语

clone，commercial，producer，undertake，arbitrary，object，forbid，accumulate，cast down，object to，the media，in favour of, cast down，object to，the media，in favour of，（be）bound to（do）…, from time to time, bring back to life, pay off b. 重点句子

It is a way of….P11 The fact is that….P11 The question that occurred is….P12 How differently do people think of….P14 The….is …but…P14 The advantage is that….P15 How would you treat….P54

2.Ability goals能力目标:

Enable the students to describe cloning: What is the advantages of cloning? What is the problems or dangers of cloning? What is your opinion of cloning?

3.Learning ability goals学能目标：

Help the students learn how to describe cloning.

【Teaching important points】教学重点

How to describe cloning.

Teaching difficult points教学难点

Help the students analyze the writing techniques of the article.

Teaching methods教学方法

Skimming, task-based method and debate method

Teaching aids教具准备

A recorder, a projector and some slides.

Teaching procedures:

备注：

Step 1

Greeting and Revision

T: Good morning/afternoon, boys and girls! First, let’s check the homework. 1.

Check whether they have remembered the important sentences. 2.

Check whether they have previewed the new words and expressions in this unit.

Step 2

Lead in 1._______________使……刻骨铭心

2. ___________ 分娩

3._______________不时；偶尔

4._____________徒劳

5. _________________将某物传递给某人

6. _____________死于

7. _______________注定

8 . ________________过着……的

生活

9. ___________________以……为基础

Step 3

Fast reading Read the passage quickly and find out the main idea about the text. ________________________________________________________________________________________________________________

Step 4

Careful reading

True (T) or false (F). 1.Scientists are still experimenting with cloning mammals because they think it can make money. (

) 2.The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning. (

) 3.If we can clone any extinct animals, we should let them live in a zoo.( )

Step 5

Study reading Read the text again, translate the sentences and analyse them.

1. 【原文再现】The popularity of the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs, proves how interested ordinary people are in the subject. [句式透析]

in which引导____________, how引导_____________。

2. 【原文再现】From time to time people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly be brought back to life through cloning.

【观察探究】

The car manufacturers changed the car modles from time to time.

汽车制造商不时地改变车的型号。

He only comes to the company from time to time.他只是偶尔到公司来。

【归纳总结】

from time to time 有时，间或，偶尔，等于

occasionally, now and then。

3. 【原文再现】It is useless to clone an animal if there is not enough diversity

in the group for it to overcome illnesses.

[句式透析]当动词不定式、动名词或从句作主语时, 通常把它们放在谓语之后, 而用it作句子的形式主语。

4. 【原文再现】...but others will survive and pass on the ability to resist that disease to their children.

【观察探究】They resisted the attack.他们抵抗那次攻击。

She resisted being carried off.她拒绝被带走。

The material resists water.这材料是防水的。

她无法抗拒那项诱惑。

归纳拓展

resist作及物动词主要有三个义项: 抵抗，对抗；抵挡，防止；（与cannot，

could not 连用）无法抗拒，无法抵挡。

5.【原文再现】Based on what we know now,

you can not clone animals that have been extinct longer than 10000 years.

【观察探究】

I base my hopes on the good news.

我的希望是以那个好消息为依据的。

You must base your words on facts. 你说话要有事实根据。