"Jims dog died yesterday" presupposes______.
A. Jim"s dog is dead
B. Jim had a dog
C. Jim"s dog was alive the day before yesterday
D. none of the above
下列各组辅料中，可作为片剂崩解剂的—组是()
A. 淀粉L—HPC CMC—Na
B. 交联PVP CC一Na CMS一Na
C. MC L一HFC CaMS-Na
D. HPMC PVP L-HPC
E. 交联PVP 淀粉 EC
若下列几种气体集中在巷道的话，应在巷道底板附近检测的气体是()。
A. CH4，CO
B. CH4，H2
CO2，SO2
D. CO2、CO
下列各组辅料中同时可作稀释剂、干燥黏合剂的是()
A. 淀粉、乳糖
B. 糊精、硫酸钙
C. MCC、糊精
D. CMC-Na、糖粉
E. MC、淀粉
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