桡骨分为一体两端,上端细小称桡骨头,下端()。
A、内侧面有向上突起茎突
B、外侧面有向上突起的茎突
C、外侧面有向下突起的茎突
D、内侧面有向下突起的茎突
参考答案:C
I have read a series of stories about some world famous great scientists, are from our country.
A.two of them
B.two of whom
C.both of them
D.both of whom
风险/效益比是
A.用药安全性的指标
B.用药有效性的指标
C.用药适当的指标
D.用药经济性的指标
E.用药最佳化的指标