恒量恒速给药最后形成的血药浓度为（）
A.有效血浓度
B.稳态血浓度
C.峰浓度
D.阈浓度
E.中毒浓度
参考答案：B
— I hope you feel better soon!
— _____________.
A. Thanks a lot
B. I don’t think so
C. That’s a good idea
They had a pleasant chat _______ a cup of coffee. [ ]
A. for
B. with
C. during
D. over
