按照《铁路动车组运用维修规程》有关规定动车组实行计划性预防修的检修体制,分为()级修程。
A.三
B.四
C.五
D.六
参考答案:C
对于结肠痉挛所致便秘.可选用下列哪些药物()。
A.乳果糖溶液
B.液体石蜡
C.羟甲基纤维素颗粒
D.车前番泻复合颗粒
— Why did he say so?
— Sorry, I don’t understand he has said means.
A.what all
B.that all
C.all what
D.that