听下面一段材料,回答第1-3题。 1. What is said about medical development in the future? A. Health care will be free. B. Cancer may be cured. C. AIDS may disappear. 2. What will make distant places more popular for holiday? A. Better air service. B. Faster air transport. C. Lower cost for air travel. 3. What is the topic of this interview? A. Future ways of traveling. B. Medical progress in the future. C. Changes of life in the next the decade.