玄参横切面

A. Husband and wife.
B. Employer and employee.
C. Good friends.
D. Business associates.

At the post office.
B. In a shop.
C. At the bank.
D. In a restaurant.

A. 心电图
B. 胃镜
C. 食管钡剂透视
D. 超声心动图
E. 肝、胆、脾超声

At nine o'clock.
B. At twelve o'clock.
C. At one o'clock.
D. At two o'clock.