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.
What made Dalian decide to work at a hospital?
A. He had volunteer experience.
B. He ran out of money.
C. He wanted to become a doctor.
D. He had nowhere to go.
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