第7题: [单项选择] Passage One Questions 26 to 28 are based on the passage you have just heard. A. More than 70 million. B. More than 1,000 million. C. More than 2,000 million. D. More than 6,000 million. 参考答案:C 答案解析:[听力原文] How many people are the victims of unclean water
第23题: [单项选择]Where are the passengers A. In the train. B. On the ship. C. In the plane. 参考答案:C 答案解析:[听力原文]17-20 Good afternoon. This is your captain speaking. We have found a strong air current