第3题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. The bike is too old. B. The tires are not so good. C. The tires are broken. D. The bike is worthwhile. 参考答案:D 答案解析:[听力原文] M: How do you like this second-hand bike It was only thirty dollars. W: I would say th