风疹邪郁在表的治疗首选方剂（）。
A.银翘散
B.解肌透痧汤
C.桑菊饮
D.宣毒发表汤
E.透疹凉解汤
参考答案：A
I was really anxious about you. You ____ home without a word. [ ]
A. mustn't leave
B. shouldn't have left
C. couldn't have left
D. needn't leave
良好沥青路面上的滚动阻力系数要比碎石路面上的滚动阻力系数（）
