Using LanguageⅡ优秀教案说课稿

Unit 2 Cloning Cloning: where is it leading us?

王译敏

Part1: Analysis of the Teaching Material(教材分析) The reading is the center of this unit, in which we will learn some knowledge about cloning and reading methods. Part2: Analysis of the students(学生分析) The students are from Senior Two. They have previewed the reading part before the lesson and learnt new words Part3: Teaching goals(教学目标) 1.

Knowledge goal Let the students know something about cloning. 2.

Learning ability goals

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

3.

Emotion goal Express the feeling about cloning and make good use of it. Part4: Teaching methods(教学方法) The situational teaching method(情景教学法) Task-based learning method(任务型教学法) Self-study exploring method(自主学习探究法)

Part5: Teaching procedures(教学过程)

Step1: Lead-in(导入)

3 mins At the very beginning, students will see three pictures from “The Island”.

设计思路：以电影图片为切入口，引导学生对语篇内容进行预测，调动学生的积极性，使其产生阅读的兴趣，处于一种主动认知的状态。

After seeing these pictures Students will know what we are going to talk about today. Then I will ask them a question:

Task1:What is cloning? 教学目的：通过自主学习探究法，使学生在有限时间内在文中找出克隆定义，明确克隆分为自然克隆和人工克隆两种。

Next use the knowledge we just learned, let the students tell which is natural clone and which is man-made clone in the following pictures. Last show some pictures, and get to know more things about the recent cloning animals. Step 2: Fast reading(速读)

4 mins Task II:Listen to the tape and find the main idea of each paragraph . Para. 1 Cloning is a way of making an exact copy of another animal or plant. Para. 2 Cloning has two major uses. Para. 3 The problems of Dolly.

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Para. 4 The effect of Dolly. Para. 5 People’s reaction to cloning. 教学目的：通过训练学生快速阅读以便抓住主题句或关键词来了解课文的大意。

Step3: Careful reading(细读)

16 mins Task III: Skim the text and find what the text talks about. 1)

What does the text talk about?

__D__

A. animal cloning is very valuable and can benefit the world.

B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born.

D. animal cloning raised arguments and scientists are not sure about its future. 2) The sheep that donated the somatic cell most probably lived ____ years.

A. 3

B. 6

C. 9

D. 12 教学目的：学生带着问题快速阅读, 获取文章细节信息。

Task IV：True or False?

1)

Cloning means making a copy of an animal or a plant.

F

2)

Gardeners can make a lot of money by cloning plants.

T 3)

Cloning animals is as complicated as cloning plants.

F 4)

Dolly the sheep was the first successful clone of a mammal.

T 5)

Natural clones happen in animals as well as in plants.

T 教学目的：通过判断正误及改正，加深对课文内容的理解。

Task V: Challenge.

①In the second paragraph, the word “straightforward” means ____.(猜词)

A. uncomplicated B. honest C. frank D. difficult ②In an unfortunate way, the mice and Dolly sheep had no choice ......so no one could prevent it. (找同义句) ③It suddenly opened everybody’s eyes ......even to produce human beings. (翻译) ④The writer’s reaction towards cloning is

.

A.

Positive B. Negative C. Neutral 设计意图:挑战赛通过各种形式的练习，包括“猜词题、找同义句、翻译、作者的观点态度题”，以小组竞赛加分的方式，调动学生积极性。

Task VI：How does the cloning of Dolly the sheep work? Finish it on your learning paper. ①Female sheep A provide an egg cell. ②The nucleus is removed from the egg cell. ③The egg cell is ready for a new nucleus.

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④Female sheep B provide a somatic cell for the clone. The nucleus of this cell contains all the genes needed to produce a new sheep. ⑤The nucleus is taken out of the somatic cell. ⑥The nucleus from sheep B and the egg cell from sheep A are joined using electricity. ⑦The cell divides and grows into an embryo. ⑧The embryo is put female sheep C, who becomes the carrier of the clone. 教学目的：此环节播放克隆多利羊的视频，完成填空，使学生进一步了解克隆的过程。

Step4: Post Reading(读后)

7 mins Task VII：Work in groups and discuss the advantages and disadvantages of cloning . 设计意图：通过任务型阅读教学法，以合作学习的方式，了解克隆的优缺点，做大限度地调动学生积极性，同时为接下来的辩论做好铺垫。

Step 5: Consolidation (Debate辩论)

13 mins Divide the whole class into two groups and have a debate. Are you in favor of cloning or against cloning? What is your point of view on it? 教学目的：通过辩论赛的形式，对文章进行巩固提升，极大地激发学生深入研究文本的兴趣，锻炼学生的思辨能力。

课堂小结(2 mins) 教学目的：通过课堂小结巩固总结本节课教学重点，使学生情感得到升华，正确对待克隆问题。

Step V Homework 1.

Read the passage again and underline all the phrases in the text. 2.

You can enjoy the movie after class: The Island, The 6th Day, Star Wars: Episode II - Attack of the Clones…

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