Period 3 Listening and Vocabulary，Everyday English

　　 Teaching Goals：

1． To review what Ss learnt last period．

2．To get Ss to master some new words．

3．To enable Ss to know some skills of listening．

4．To enable Ss to learn more about cloning．and help Ss learn how to know more about genetics．

Teaching Procedures：

Step I．Revision

Check the answers to the Reading exercises in the Workbook．Then give Ss some instructions．

Step 2．Vocabulary study

Purpose：To enable Ss to learn more about cloning and genetics．

1．Group work

Let Ss look at the pictures on 1)45 and answer the questions in Activity 1．

Suggested Answers：

(1)Our parents．

(2)One．

(3)In a laboratory．

(4)They have identical genes，and SO are identical in every way．

2．Individual work

Fill in the blanks with the following words．

]argument,be for,be

As most people know，in 1997 scientists ________ a sheep called Dolly in the________by using the_________of another sheep．Since then，there ale many __________about cloning．Some people __________it，because they think cloning is _________to human beings．It is a way of helping ___________ ．For example，we could clone animals that are becoming extinct．But some people _____________it．They think it's a terrible