女,13岁,右膝部痛,结合图像,最可能的诊断是()
A.胫骨近端动脉瘤样骨囊肿
B.胫骨近端成软骨细胞瘤
C.胫骨近端骨巨细胞瘤
D.胫骨近端内生软骨瘤
E.以上都不是
参考答案:A
So many model League Members________the lead, we had no________winning victories one
after another. [ ]
A. taking; trouble
B. take; difficulty
C. took; troubles
D. taking; difficult
斑蝥的抗癌有效成分是()
A、蚁酸
B、斑蝥素
C、蛋白质
D、蝎毒素
E、尿囊素