一般滴眼剂的pH值应控制在()
A. 4~9
B. 5~9
C. 5~8
D. 4~8
E. 5~7.5
Which of the following words can be used to connect two clauses in a complex sentence?
A. So.
B. Therefore.
C. But.
D. Though.
下列不属于减少溶出速度为主要原理的缓释与控释制剂的制备工艺是()
A. 超慢性胰岛素中所含胰岛素锌晶粒较大
B. 鞣酸与生物碱类药物形成难溶性盐
C. 醇类药物的酯化
D. 乙基纤维素与甲基纤维素混合组成含水性孔道的包衣膜
E. 海藻酸与毛果芸香碱结合成盐
The sense relationship between "see" and "sea" is______.
A. hyponymy
B. homonymy
C. polysemy
D. synonymy