结构中含有氟元素的甾体激素为
A．醋酸地塞米松
B．醋酸泼尼松
C．黄体酮
D．甲睾酮
E．雌二醇
参考答案：A
用所给词的适当形式填空。
1. I think the light bulb is the most useful _____ (invent).
2. Thomas Edison was a great _____ (invent).
3. The cup is used for _____ (warm) the cold wine.
4. The length of the rope is _____ (adjust).
门脉高压症的临床表现有（）
A.脾大
B.黄疸
C.肝大
D.腹水
E.胃肠淤血
