属于原发良性骨肿瘤的是()t(11;22)(q24;ql2)多存在于()X染色体和l8号染色体相互易位多存在于() ["A．骨软骨瘤","B．滑膜肉瘤","C．脊索瘤","D．骨纤维肉瘤","E．Ewing肉瘤"]
阴道毛滴虫生活史中有() ["A．仅有滋养体","B．仅有包囊","C．前鞭毛体无鞭毛体","D．滋养体和包囊","E．仅有前鞭毛体"]
成骨肉瘤属于() ["A．骨瘤样病变","B．良性骨肿瘤","C．恶性骨肿瘤","D．有恶性倾向的良性骨肿瘤","E．继发性骨肿瘤"]
骨瘤属于()内生软骨瘤属于()骨巨细胞瘤属于() ["A．肿瘤样病损","B．良性肿瘤","C．恶性肿瘤","D．潜在恶性肿瘤","E．继发性肿瘤"]
泥块指砂中粒径大于()mm的黏土颗粒，经水洗手捏后小于0.63mm的颗粒。 ["1.05","1.25","1.35","1.55"]
骨巨细胞瘤的好发部位是()软骨母细胞瘤的好发部位是()
