【单选题】—Why did you start out so early yesterday morning? —_____ there on time.
【单选题】Why did you get up so early ___ this morning. [ ]
【判断题】Facebook的迅速崛起意味着人机交互时代代替了人人交互时代。
【单选题】Mike offered to help and so ________John.
【判断题】细菌在液体培养基中的生长现象有混浊生长、沉淀生长、菌膜生长。