第9题: [单项选择]根据正颌外科截骨手术后骨愈合以及生物力学特点,术后追踪观察至少应持续() A. 2个月 B. 3个月 C. 6个月 D. 8个月 E. 10个月 参考答案:C 答案解析:本试题是考核正颌外科术后随访时间。正颌外科术后了解颌关系可能出现的变化,进行术后效果评价。根据正颌外科截骨手术后骨愈合过程以及生物力学特点,术后追踪随访观察至少应持续6个月。
第14题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage yon have just heard.{{/B}} A. They are enrolled in education programs. B. They are going to cinema. C. They are going to parties. D. They are going to gambling. 参考答案:A 答案解析:[听力原文]26-28
Millions of people are enrolled in adult education programs across America. Communit