产后小便不同常见的病因有()
A.气虚
B.肾虚
C.血瘀
D.气滞
E.血虚
参考答案:A, B, C
After school he didn’t go home. ___________ he went to the Internet cafe.
A.But
B.Instead
C.While
D.Instead of
室内燃气管道试压标准中,煤气管道的低压燃气管道为2倍丁作压力,且不得小于()kPa。
A.4
B.6
C.8
D.10