单项选择题 患者12-22缺失，间隙正常，患者牙弓较平，咬合关系正常，X线片检杳13、23牙根粗大，牙周组织健康，患者要求行固定义齿修复，最佳设计为

单项选择题 发生由军队单位或者军队人员承担责任的事故，应当依纪依法追究相关人员的（）

单项选择题 1. What preparations are needed before the interpretation task? A. Get familiar with the environment before the job. B. Do not eat anything smell strongly. C. Learn about the non-native country culture background and taboos. D. All of the above. A、Get familiar with the environment before the job.B、Do not eat anything smell strongly.C、Learn about the non-native country culture background and taboos.D、All of the above.