银翘散和桑菊饮的组成药物中均含有
A．连翘、杏仁、桔梗
B．金银花、杏仁、桔梗
C．连翘、薄荷、芦根
D．金银花、薄荷、芦根
参考答案：C
—_____
—It's in the morning and in the evening. [ ]
A. What's it?
B. Where is it?
C. When are they?
D. When is it?
超声诊断仪的工作环境，下列哪项不宜（）
A.监视器避免阳光直射
B.整机不应放置在高温，潮湿环境
C.用紫外线照射或消毒液对探头消毒
D.使用稳压器，保持正常供电
E.远离高电场，高磁场
