| 听下面一段材料，回答第1至3题。 |
| 1. How did the woman get to know about third-hand smoke? |
| A. From young smokers. B. From a newspaper article. C. From some smoking parents. |
| 2. Why does the man say that he should keep away from babies? |
| A. He has just become a father. B. He wears dirty clothes. C. He is a smoker. |
| 3. What does the woman suggest smoking parents should do? |
| A. Stop smoking altogether. B. Smoke only outside their houses. C. Reduce dangerous matter in cigarettes. |