采购工作最本质的要求是（）
A.价格便宜
B.采购本地药品
C.适销对路
D.质量符合标准
参考答案：C
It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.
A．/; that
B．where; which
C．/; where
D．that; which
机电维修岗位电气维修工，检查、检修各种大型固定设备的电气系统时，必须执行哪些规定？
