My grandma’s after-supper ______ includes: walking the dog in the neighborhood and dancing in the park with many other aged women.

A．regulation

B．training

C．routine

D．program

美托洛尔（）。

A.血管扩张剂

B.血管紧张素转换酶抑制剂

C.β受体激动剂

D.醛固酮拮抗剂

E.β受体阻滞剂