行政处罚中的行为罚包括:
A.责令停产停业
B.吊销许可证和执照
C.责令具结悔过
D.实行劳动教养
参考答案:A,B
骨巨细胞瘤的X线表现特征是()。
A.外生性,可见明显破坏
B.长骨干骺端偏心性膨胀性溶骨破坏,呈"肥皂泡"样改变
C.位于干骺端,可见有分格
D.骨性破坏,可见Codman三角
E.骨性破坏,可见片状钙化
Over a very large number of trials, the probability of an event ________is equal to the probability that it will not occur.
A.occurring
B.occurred
C.occurs
D.occur