下列哪项不属于安宫牛黄丸的辨证要点（）
A.高热烦躁
B.神昏谵语
C.斑疹吐衄
D.舌红或绛
E.脉数
参考答案：C
It was twelve o'clock __________they finished the work.[ ]
A. since
B. which
C. that
D. when
什么叫土壤侵蚀信息系统？
