第15题: [单项选择]{{B}}Passage One
Questions 26 to 29 are based on the passage you have just heard.{{/B}} A. Looking for food by themselves. B. Being fed properly. C. Overfeeding or underfeeding. D. Living on people’s odds and ends of table scraps. 参考答案:B 答案解析:[听力原文]26-29
Of the thousands of different kinds of animals that exist in the world man has learn