【单选题】Maybe he has gone home, ______ he is in his office.
【判断题】触摸屏与 PLC 进行通讯配置时,当定义通道时通道名称必修与 PLC 的参数名称一致
【单选题】— Where is Jim?— I have no idea, maybe he school.A. has been to B. has gone to C. goes to
A.
— Where is Jim? — I have no idea, maybe he ____ school. A. has been to
【多选题】In the following air pollutants, ______ are the Secondary pollutants.
【多选题】微博营销和微信营销有着区别,即指微信营销是-----,而微博营销是-----。
【多选题】对微信营销和微博营销的比较认识正确的是( )