急性尿潴留的病因不包括()
A．前列腺增生症
B．膀胱结石
C．会阴部手术后
D．大量饮水并应用利尿剂
E．前列腺增生症患者服用平喘药后
参考答案：D
一个棱柱有18条棱，那么它的底面一定是[ ]
A.十八边形
B.六边形
C.四边形
D.八边形
-______, Rome was not built in a day.
-So you mean that it was not built at night.
A．For the saying says
B．When the proverb is said
C．As the saying goes
D．If the saying is read
