第24题: [单项选择]Passage1
Questions 25 to 28 are based on the passage you have just heard. A. By digging site. B. By reconstructing skeletons. C. By observing them closely. D. By living with them. 参考答案:B 答案解析:[听力原文]
How have scientists been able to learn of the living conditions of these animals
[试题分析]本题考