第7题: [单项选择]关于戴用覆盖义齿后的预防措施的描述,错误的是() A. 对所有覆盖基牙,无论有无金属顶盖,均应彻底清洁其四周及牙龈,但不宜使用化学方法防龋 B. 夜间摘下覆盖义齿 C. 每日用0.1%~0.2%的氯己定溶液含漱 D. 每日将义齿浸泡在0.2%的氯己定溶液中10~15分钟 E. 定期复查 参考答案:A
第35题: [单项选择]Why is the woman eating an apple [A] She likes apples. [B] There is nothing else to eat. [C] She is not very hungry. 参考答案:B 答案解析:[听力原文] M: Why are you eating an apple for lunch W: It’s the only food in the house. Q: Why