原发性闭经,孕激素试验未引起子宫出血,再给予雌-孕激素序贯疗法也未引起出血。其功能异常的部位在()
A.垂体
B.丘脑下部
C.肾上腺
D.卵巢
E.子宫
参考答案:E
用所给词的适当形式填空。
1. I would like five ______ (tomato).
2. There aren't any ______ (noodle) in the bowl.
3. Have they got ______ (some) rice?
4. We have got some ______ (banana) on the table.
5. Do you like ______ (hamburger), Daming?
下列物质能通过化学反应使Br2水褪色的是
A.甲烷
B.乙烯
C.苯
D.乙酸