题目内容

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

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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

We ()following the marketing plan until next month

A. continued
B. are continuing
C. will be continuing
D. will continue

发生颌骨放射性骨坏死的临界放射剂量指标为

A. 20Gy
B. 40Gy
C. 60Gy
D. 90Gy
E. 100Gy

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