第10题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Check to see if it can still be fixed for free. B. Check to see what the problem is. C. Find where they have put the warranty. D. See if Mike is available. 参考答案:A 答案解析:[听力原文]
W: Mike is very good at electrical appliances. You should get him to take a look and see if
第14题: [单项选择]下列临床表现可诊断为冠龋的是() A. 探针可伸入但底部坚硬的窝沟 B. 着色的不平坦区 C. 中度氟牙症的釉质凹陷 D. 底部发软的窝沟 E. 釉质上的白斑 参考答案:D 答案解析:冠龋又分为点隙窝沟龋和平滑面龋,出现颜色改变,形状缺损和质地改变的窝沟就可以诊断为冠龋,所以D正确。考点:冠龋的诊断