连续把粉碎物料供给粉碎机的同时不断地从粉碎机中把已粉碎的细物料取出为( )。
A. 开路粉碎
B. 闭塞粉碎
C. 干法粉碎
D. 循环粉碎
E. 自由粉碎
生物粘附片( )。
A. 在胃中保持完整而在肠道内崩解或溶解的片剂
B. 较适合于儿童或吞咽困难的患者，在口中嚼碎后咽下的片剂
C. 可避免药物的肝脏首过效应，也可防止胃肠液pH及酶对药物的不良影响的片剂
D. 含在口腔或颊膜内缓缓溶解而发挥治疗作用的片剂
E. 可避免药物的肝脏首过效应，起局部作用或全身治疗作用，含有高分子粘附性聚合物的片剂
Questions 18 - 21 are based on the following passage about Walkman. Why there are signs" Keep Your Personal Walkman Personal" in London’s underground
A. Wakman is prohibited to take on the Underground.
B. Listening Walkman may disturb other passengers.
C. Passengers should watch out their Walkman.
D. Listening Watkman is one’s private thing and cannot be disturbed by others.
微信支付 
支付宝支付