第9题: [单项选择]Passage Three Questions 32 to 35 are based on the passage you have just heard. A. Consumers were responsive. B. Consumers were hostile. C. Consumers turned cautious of it. D. Consumers didn’t care all the time. 参考答案:C 答案解析:[听力原文] What was the response to the early green advertisements by consumers
意为“机警的，谨慎的”，根
第10题: [单项选择]关于缺隙保持器适应证，描述错误的是（） A. 乳牙早失，恒牙胚牙根形成大于1/2 B. 间隙有缩小的趋势 C. 多数乳磨牙早失，影响患儿咀嚼功能 D. 牙冠上覆盖有较厚的骨组织 E. 乳牙早失，恒牙胚牙根尚未发育 参考答案:A
