大骨节病的基本病变部位是()
A.长骨的骨质疏松
B.四肢的末端肥大、粗壮
C.关节软骨、骨骺板软骨的软骨坏死
D.肝、肾的严重损伤
E.以上说法均不正确
参考答案:C
贫血患者的MCV为90fl,MCH为30pg,MCHC为333g/L,该贫血属于()
A.正常细胞性贫血
B.大细胞性贫血
C.单纯小细胞性贫血
D.小细胞低色素性贫血
E.生理性贫血
How much is the percent of air transportation in all modes? ()
A. Less than 1%
B. Lowest
C. Lower
D. Low