地高辛的t1/2=33h，按每日给予治疗量，问血药浓度何时达到稳态（）
A.3天
B.6天
C.9天
D.12天
E.15天
参考答案：B
—It is said that our celebration party for the New Year’s Day will be given up.
—Oh,no! ______.
A．I am looking forward to it
B．I hope so
C．I’m afraid not
D．It doesn’t matter
65÷9=7…2，验算时先算______，再算______，结果是______．
