( A )根据句意完成句子，首字母已给出。（5分）

小题1:I a__________ walk to school, and I never go to school by bike. .

小题2: F__________ is the sixth day of a week.

小题3: Go a__________ the street. And you will see the museum on the right.

小题4: Keep q_________, Mary! Your mother is sleeping.

小题5: We usually have a short r__________ after lunch.

计划生育药品由（）

A．药品生产企业定价 

B．药品经营企业定价 

C．医疗机构定价 

D．国家价格主管部门定价 

E．省级价格主管部门定价