阿司匹林的主要水解产物是:
A. 苯酚与苯甲酸
B. 水杨酸与苯甲酸
C. 水杨酸与乙酸
D. 苯酚与乙酸
E. 水杨酸与苯酚
阿司匹林属于解热镇痛药中的
A. 乙酰苯胺类
B. 水杨酸类
C. 丁酰苯胺类
D. 吡唑酮类
E. 芳烷酸类
为防止阿司匹林水解应采取的储存方法为:
A. 冷藏
B. 密闭
C. 遮光
D. 密封干燥
E. 阴凉处储存
Why did Dalian have to get off in Wuhan?
A. Because he went there for a business trip.
Because he was in the wrong carriage.
C. Because he chose to have lunch in Wuhan.
D. Because he bought the wrong train ticket.