下列仪器一般需经过磨砂处理的是( )
A.试管
B.烧杯
C.集气瓶
D.量筒
答案:C
Excuse me. Where is the library? [ ]
A. Where's the museum?
B. Where's the school?
C. Where's the hospital?
D. It's next to the post office.
男性,78岁,既往患冠心病30余年,因寒热、大汗,在当地医院诊断为疟疾,下列哪种药慎用()
A.氯喹
B.磺胺类
C.伯氨喹啉
D.奎宁
E.青霉素