第29题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. They didn’t notice them. B. They gave mythological explanations. C. They ignored them. D. They chose to avoid seeing them. 参考答案:B 答案解析:[听力原文]26-28 We humans have found countless mysteries of the universe with which to occupy our