恶性骨巨细胞瘤或良性骨巨细胞瘤恶变的CT表现为()
A.病灶明显强化
B.有骨膜反应
C.病变边界模糊
D.病灶向骨外扩展
E.有软组织肿块
参考答案:B, C, E
-Do you know that Armstrong got his flying license in his_______, even before he could drive a car!
-That's amazing. He is a_______ pilot.
A.tens; born
B.teens; born
C.teens; boring
D.tens; bored
中共九大闭幕后,按照毛 * * 的部署,全国开展了“斗、批、改”运动,具体内容是()
A、斗“走资本主义道路的当权派”
B、斗“左倾机会主义”
C、批“反动学术权威”
D、改革不合理的规章制度