与国民经济发展和人民生活关系重大的极少数商品价格可以实行（）。
A、政府指导价或政府定价
B、地方指导价
C、地方定价
D、价格浮动
参考答案：A
Do you want to buy _____________ for your family? [ ]
A. something
B. anything
C. nothing
As we all know, ______ medical examination will help us find out health problems as early as possible.
A．common
B．general
C．regular
D．normal
