罗马国家第一部成文法是:()
A. 《查士丁尼国法大全》
B. 《十二表法》
C. 《法学阶梯》
D. 《狄奥多西法典》
根管治疗中可能引起最严重后果的意外是
A. 器械折断
B. 根管壁侧穿
C. 急性根尖周炎
D. 器械误吞、误吸
E. 皮下气肿
My friend ()a new job now
A. was looking for
B. looked for
C. is looking for
D. has looked for
Let's wait to discuss ()this situation until tomorrow morning
A. about
B. to
C. for
D. 什么都不填