Using LanguageⅡppt配套教案板书设计

Unit

2

Cloning Reading

Cloning: Where is it leading us? Teaching aims: 1.

Let students know what is cloning. 2.

2.Learn to use the words and expressions in this unit. 3.

Teaching important and difficult points: 1.Master the use of

appositive clause 2.Learn to express how to accept and how to

reject. Teaching procedures: Step 1 Lead in Show some pictures of twins and cloning plants and animals. Then conclude what is cloning. (A clone is an animal or a plant produced naturally or artificially from the cells of

another animal or plant and is exactly the same as it.) Step 2 Skimming Ask some questions

Step 3 Careful Reading

Fill in the blanks of

the main idea of each paragraph. Para 1: The definition of cloning Para 2: The major uses and procedures of cloning Para 3: The problems of Dolly Para 4: The impact of Dolly Para 5: People’s

reaction to cloning Step 4 Comprehending

1 Read the passage and answer these questions.

2 Fill in the chart.

Problems or dangers of cloning & Advantages of cloning

Step 5 Practice activity:

Debate

Are you in favor of cloning or against cloning? What is your point of view on it?

Step 6 Conclusion As a coin has two sides, everything has two

aspects. First, if the cloning is used in

a correct

way it can bring many conveniences to us. S

uch as: curing serious illnesses and being used to

produce commercial qualities of plants. On the other hand, if the cloning is used in an

evil way

it can cause much troubles: such as moral questions. Step 7 Homework: Write a short passage about the advantages and disadvantages of cloning. At the end of

your passage, you can add your own opinion. 教学反思

本单元的中心话题是克隆。本节课阅读部分提供的材料具体介绍了植物与动物克隆的区别、多莉羊的诞生与死亡以及由此引发的争论。通过本课学习，可以帮助学生进一步认识克隆的意义在于解决医学上的难题，为人类服务。阅读课文设计的目的是在训练学生阅读技能的基础上了解克隆这门生物技术以及有关的争议。本节课教学过程中若能让让学生讨论环节让更多的学生各抒己见，效果会更好。