妊娠腹痛发生的病因不是下列哪一项（）
A.气血运行不畅
B.虚寒
C.血虚
D.气滞
E.血瘀
参考答案：A
—You are always so careless!
—You should not shout at me. I didn’t want to break the window, ______.[ ]
A. too
B. as well
C. either
（2x2b-4ab2）÷（-2ab）=______．
