9. It was _________ that none of them knew what an elephant looked like.

10.He was still complaining about the ______________ he lost during the Christmas, when he was in hospital.

11. Smoking will ____________ your health.

12.A number of __________ attacked a theatre and caused many deaths.

(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

Task 1. Write the heading of each part.

Part 1: ________________________________ Part 3: _________________________________

Part 2: _________________________________ Part 4: _________________________________

Task 2．Find the specific information.

① How has the Internet grown in the last 30 years?

In the last 30 years In 1983 Now ② What are the different ideas about the future of cyberspace?

Pessimistic Optimistic ③ How do some experts see our future in virtual reality?

The use of computers will ____________________________________________.

Virtual reality will __________________________________________________.

Task 3．Word Bank

Activities done on the Internet