医疗机构制定单位用药目录的原则是：安全、有效和经济，并结合本单位常见疾病种类和用药习惯。
参考答案：对
The world champion is only 13 years old, but nobody treats him _____ a child; people treat
him ____ respect. [ ]
A. like; of
B. as; with
C. like; as
D. as; as
The main purpose of the Customs supervision and control is to （） China's economic, trade, scientifrc, technological and cultural exchanges with other countries.
A. supervise
B. control
C. promote
D. limit
