简述消费流行的特征。
参考答案：
时间性；空间性；群体性；变动性；周期性；重复性。
大柴胡汤中配伍大黄的主要用意是
A．内泻热结B．活血祛痰C．和解清热D．泻火除湿E．缓急止痛
The subway was crowded with passengers going home from market, most of ________ carrying heavy bags and baskets full of fruit and vegetables they had bought there.
A．whom
B．them
C．who
D．which
