高二英语人教版选修8教案：Unit2CloningPeriod2 Word版含解析

Unit 2Cloning

Period 2Language Study

整体设计

教学内容分析

The emphasis of this period will be placed on the important new words，phrases and sentence patterns in Warming Up，Pre-reading，Reading，Comprehending and Discovering useful words and expressions in Learning about Language.There are altogether 44 new words and phrases in these five parts.8 of them are marked with triangles，which shows that the students needn't learn them by heart.It is enough to recognize them when meeting them while reading the passage.The other 36 should all be remembered，among which the following words and expressions are even more important：straightforward，cast down，altogether，in favour of，compulsory，owe，retire，differ，undertake，pay off，object，objection，obtain，forbid.They are all very useful and important.We ought to pay more attention to them.

三维目标设计

Knowledge and skills

To get the students to learn to use the following important new words and phrases freely：straightforward，cast down，altogether，in favour of，compulsory，owe，retire，differ，undertake，pay off，object，objection，obtain，forbid.

Process and methods

1．To help the students understand the meanings of the above useful new words and expressions in the context，and then give some explanations about them，and at last offer some exercises to make students master their usages.

2．At the end of the class，make students do more exercises for consolidation.In doing so，they can learn，grasp and use these important language points well.

Emotion，attitude and value

1．To stimulate students' interest in learning English.

2．To develop students' sense of cooperation and teamwork.

教学重点、难点

1．Important new words and expressions：differ，undertake，pay off，object，objection，obtain，forbid.

2．Some difficult and long sentences in the text.

教学过程

Step 1Revision

1．Check the homework exercises.

2．Ask some students to talk about cloning.

Step 2Reading and finding

Get students to read through Warming Up，Pre-reading，Reading，Comprehending and Discovering useful words and expressions in Learning about Language to underline all the new words and useful expressions or collocations in these parts.Read them aloud and copy them down in the exercise book.

Step 3Exercises for useful words and expressions

1．Turn to Page 13.Go through the exercises in Discovering useful words and expressions with students and make sure they know what to do.

2．Give them several minutes to finish the exercises.They first do them individually，and then discuss and check them with their partners.

3．Check the answers with the whole class and explain the problems they meet where