第7题: [单项选择]下列关于牙体预备说法正确的是 A. 牙体预备应一次完成 B. 牙体预备后,应避免强烈刺激的消毒剂 C. 牙体预备后,活髓牙必须戴暂冠 D. 牙体预备应用间断、短时、轻压磨除的方法 E. 可用磷酸锌粘固暂冠,以免脱落 参考答案:A,B,C,D 答案解析:应用氧化锌丁香油糊剂粘固暂时冠,对牙髓刺激小,复诊时易去除。
第25题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He did better than expected. B. He failed his test. C. He always gets excellent grades. D. He found his notes. 参考答案:A 答案解析:[听力原文]
M: How about that grade I got on the final
W: I thought you would fail after you had lost