单室模型药物,单次静脉注射消除速度常数为0.2/h,清除该药99%需要的时间是()
A.6h
B.12.5h
C.23h
D.26h
E.46h
参考答案:C
用所给词的适当形式填空。
1. I _________ (be) in Hangzhou last week.
2. He couldn't _________ (answer ) the question.
3. There _________ (be) some bread and two apples on the table, but where are they now?
4. He_________ (has) a bowl of porridge and went to work.
5. We _________ ( get) the news yesterday afternoon.
人类卵泡发育开始于_________,排卵多发生在下次月经前_________日,排卵后原卵泡腔形成_________,在_______功能衰退后月经来潮。