室内排水施工图的识读是按照排水流向—污水收集器→排水支管→排水横管→排水立管→排出管→室外检查井的顺序深入地进行识读。
参考答案:对
—Must I show you my driver's license and ID card?
—______. You must have something to prove who you are. [ ]
A. Both
B. Either
C. Every
D. All