心阳不振之心悸的首选方剂是桂枝甘草龙骨牡蛎汤合（）
A.安神定志丸
B.归脾汤
C.右归丸
D.参附汤
E.苓桂术甘汤
参考答案：D
—What time does your brother have to go to bed?
—________ nine o'clock. [ ]
A. By
B. On
C. In
D. With
该企业2005年应纳城镇土地使用税为( )万元，
A．1.12
B．1.55
C．1.9
D．0.77
