医用酒精要求酒精浓度达到（）%。
A.96.2
B.95.5
C.75
D.95
参考答案：C
— are you going to take?
—I'm going to take some books.[ ]
A. Where
B. What
C. When
肾绞痛时，宜选用的治疗药物是
A．颠茄片B．山莨菪碱C．吗啡D．哌替啶E．阿托品和哌替啶
