6+6+6改写成乘法算式是[ ]
A．3×6
B．6×6
答案：A
某女，30岁，已婚。产后恶露4周不止，淋漓滞涩，量时多时少，色紫黯有块，腹痛拒按，块下痛减。舌紫黯，边尖右瘀斑瘀点，脉沉弦涩。其治法是
A．补气摄血固冲B．补气活血止血C．活血化瘀止血D．养阴清热止血E．破血逐瘀行气
The clock is _____ the wall _____ our classroom. [ ]
A. on ; on
B. of; on
C. on ; of
D. of; of
