价值规律决定商品的价值量是由（）劳动时间决定的
A．社会平均
B．社会必要
C．社会多数人
D．社会最有效率
参考答案：B
_______ medicine works in a human body is a question _______ not everyone can understand fully.
A．How; that
B．That; which
C．That; which
D．What; that
民族乐派
