第29题: [单项选择]根尖止点距根尖() A. 0.5一1.0mm B. 0.3一0.5mm C. 0.8一2.0mm D. 年龄越大距离越大 E. A和D 参考答案:E
第30题: [单项选择]Questions 11 to 14 are based on the passage you have just heard.Where is the pie-eating contest usually held A. In a fast-food restaurant. B. At a shopping center. C. In a county fair. D. In a bakery. 参考答案:C 答案解析:[听力原文]11-14 County fairs are a tradition in New England towns. They offer great entertainmen