确诊营养性巨幼细胞贫血最好的方法是()
A.外周血红细胞形态
B.骨髓象检查
C.血清LDH检测
D.血清铁测定
E.临床表现
参考答案:B
人力资源职能的转变以重要性排序方式,从职能导向到()
A、合作伙伴
B、决策权力分散
C、战略导向
D、主动出击
In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the().
A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area