《伤寒论》提出痞证的治疗大法是______，______。
参考答案：寒热并用 辛开苦降
把7.58的小数点向右移动一位，这个数就扩大到原数的______倍，结果是______．
It was a dark and stormy night ______ the old man started his journey.[ ]
A. that
B. when
C. since
D. before
