药品必须符合法定的要求,在质量控制方面我国法定的标准是()
A.发达国家药品标准
B.国际先进药品标准
C.国家药品标准
D.省级地方药品标准
E.国家推荐标准
参考答案:C
It is unhealthy _______ us to eat too much sweet food and it is wrong _______ us to buy sweet food every day.
A.of, of
B.for, of
C.of, for
D.for, for
人工清扫工操作规范是什么?