7) The President's speech was broadcast on a national television ____________.

8) The old man is a famous ____________ physicist.

9) Can you give me any ________________ on this matter?

10) There used to be a _____________ base in the region.

(二) Classroom learning and exploration 课堂学习和研讨

1. Presentation of the preview 预习成果展示

2. Explanation and discussion 答疑讨论

3. Classroom learning tasks 课堂学习探究任务

Task1. Oral practice: (work in pairs.)

Why do you think the Internet is important in your life?

_________________________________________________________________________

How much time do you spend on the Internet every day?

__________________________________________________________________________

When do you usually surf the Internet?

__________________________________________________________________________

What websites do you visit most often? Why?

__________________________________________________________________________

__________________________________________________________________________

Task2. List the advantages and disadvantages of the Internet

advantages disadvantages

Task 3. Listening practice: Fill in the blanks with the important words you hear.