成人颌骨骨髓炎X线片可见骨质破坏的时间在发病后()
A.1周
B.7~10天
C.2~4周
D.3个月
E.半年
参考答案:C
Let's go and have _______ his new CD. [ ]
A. look at
B. a look at
C. a look
D. the look at
______年,联合国在罗马召开国际旅游会议。