一种产品的价值由其质量与价格之间的比率决定。一种产品的价值越高，其会处于越好的竞争地

既能补肾阳，又能强筋骨祛风湿的药物（）

A.鹿茸、羚羊角

B.五加皮、大腹皮

C.香加皮、萆薢

D.仙茅、仙鹤草

E.巴戟天、淫羊藿

固溶体按溶质在溶剂中的溶解度分类，可以分为（）类。

A.1 

B.2 

C.3 

D.4

有“江河之源”之称的省区是__________ 。

15岁，男性，患上呼吸道感染后出现眼睑下垂10天。无多汗、震颤。查体：血压正常，双侧瞳孔等大等圆，对光反射正常。右眼外展、内收有中等度的障碍，向上、向下视也有轻度障碍。左眼仅有轻度的内收障碍。眼轮匝肌、咬肌、口轮匝肌有轻度肌力减退。四肢肌力正常。无肌萎缩，无反射异常及感觉异常。新斯的明药物试验后临床症状一过性完全消失。

该患者的诊断首先考虑（）

A.眼咽型肌营养不良症

B.多发性肌炎

C.皮肌炎

D.Fisher综合征

E.重症肌无力

Jolene began building a picket fence by planting stakes in a row; the stakes were evenly spaced. After planting the first 10 stakes, Jolene measured the length of the row and found that the row was 27 feet long. She continued the row by planting another 10 stakes, then measured the length of the entire row. How many feet long was the row of stakes Jolene had planted

A．37

B．54

C．57

D．60

E．(E) 81