年轻妇女,闭经、泌乳,X线检查蝶鞍稍增大。内分泌激素测定,以下哪项值异常增高对诊断有意义()
A.FSH
B.LH
C.HCG
D.雄激素
E.PRL
参考答案:E
The policeman told John not ____ so fast in the street. [ ]
A. drive
B. driven
C. driving
D. to drive
由2根并装双胎轴和1根单胎轴组成的轴组,轴距>1400mm时,按()计。
A.5型轴
B.7型轴
C.9型轴
D.两根单轴