下列哪一个药物为睾酮的长效衍生物
A.丙酸睾酮
B.非那雄胺
C.达那唑
D.甲睾酮
E.苯丙酸诺龙
参考答案:A
The doctors has_________ a new idea on the treatment, which is well thought of by his companions.
A.come about
B.put forward
C.put away
D.regarded as
初步可行性研究阶段投资估算误差率为多少
A.10% B.15%C.20% D.25%