请听下面5段对话,选出最佳选项。 |
1.What are the two speakers talking about? |
A. A method. B. A theory. C. A rule. |
2. What does the woman mean? |
A. She agrees with the man. B. Life cannot exist without sunlight. C. Air is fundamental to all living things. |
3. Why does the woman mention her dinner guests? |
A. To invite the man to join them. B. To ask the man to help cook. C. To suggest politely that the man leave. |
4. What’s the two speakers’ opinion about the solar energy? |
A. It’s useful but costs a lot. B. It’s convenient and inexpensive. C. It’s green and can help save money. |
5. What can we learn from the conversation? |
A. The man is not interested in astronomy. B. The two speakers are reading a book. C. The woman is studying astronomy. |