为了研究水的沸腾，张怡然同学观察了水在加热过程中温度随加热时间的变化情况，并记录有关

处方药是指

A．可从超市购买的药品

B．不需医生处方，消费者按药品说明书可自行判断购买的药物

C．需凭医师处方，只能到医院购买的药物

D．需凭医师处方，才能到药房或药店购买的药物

E．凭医师处方，可由公疗或医保报销的药物

治疗血虚时常配以补气药物的理论依据是（）

A.气能行血

B.气能生血

C.气能摄血

D.血能养气

E.气血同源

下列哪项内容不是糖尿病人代谢异常的临床表现

A．高血糖和糖尿

B．高脂血症和酮症酸中毒

C．三多一少

D．黏液性水肿

E．微血管神经病变

出现镰形红细胞的疾病是（）

A.血红蛋白S病

B.缺铁性贫血

C.乙醇中毒

D.骨髓纤维化

E.自身免疫性溶血性贫血

Under perfect competition, the short-run market supply curve is most accurately described by which of the following statements The market short-run supply curve is the:（）

A. average of the quantities at each price along the marginal cost curve for all firms in a given industry.

B. sum of the quantities at each price along the average total cost curve for all firms in a given industry.

C. sum of the quantities at each price along the marginal cost curves for all firms in a given industry.