属于电解质分析仪检测操作程序的是（）
A.调校自动定标频率
B.选择自动或手动定标方式
C.自动清洗吸样针
D.测定质控范围
E.设定密码
参考答案：C
生脉散主要功效为
A．益气养血、滋阴复脉 B．益气生血，健脾养心 C．益气生津，敛阴止汗 D．益气补中，健脾养胃 E．温经散寒，养血通脉
—What's Cindy doing?
—She is _____ with her friends.[ ]
A. playing guitars
B. playing the volleyball
C. looking photos
D. eating dinner
