【单选题】下列对骨肿瘤的概述中,不正确的是
A.
凡发生于骨内或起源于骨各种组织成分,无论原发性或转移性,统称为骨肿瘤
B.
良性者以骨巨细胞瘤、骨软骨瘤多见,恶性者以骨肉瘤、软骨肉瘤多见
C.
骨或关节疼痛、骨性肿块及功能障碍为三大临床主症
【多选题】为避免大体积混凝土由于温度应力作用而产生裂缝,可采取的措施有( )。
【多选题】为大体积混泥土由于温度应力作用产生裂缝,可采取的措施有( )。
【单选题】下列对骨肿瘤的概述中,错误的是
A.
凡发生于骨内或起源于骨各种组织成分,无论原发性或转移性,统称为骨肿瘤
B.
良性者以骨巨细胞瘤、骨软骨瘤多见,恶性者以骨肉瘤、软骨肉瘤多见
C.
骨或关节疼痛、骨性肿块及功能障碍为三大临床主症
【简答题】肿瘤临床治疗的三大主要手段为( )、( )和( )。
【简答题】A. Female students are unfit for studying physics. B. He can serve as the woman's tutor. C. Physics is an important course at school. D. The professor's suggestion is constructive.
【单选题】Male and female students are quite different from each other ______ the age at which they begin
A.
81. Male and female students are quite different from each other ______ the age at which they begin to develop an intellectual self-discipline. A.with regard to
【单选题】下面 ( ) 是 初级生产力最低的水域,被称为大洋的 “生物沙漠” 。