听下面一段材料,回答第1-3题。 |
1. What is the lecture mainly about? |
A. New energy. B. Serious energy problems. C. How to save oil. |
2. How will the girl go to school today? |
A. By bike. B. By car. C. On foot. |
3. Which do they think is the most effective way? |
A. To develop more new energy. B. To save resources. C. To close chemical plants. |