【简答题】What are the supporting details for para. 8?
【单选题】What's the possible relationship between Helen and Ted according to the letter?
【简答题】What is the conclusion of the text? (Para. 8)
【简答题】What's the function of Para. 8?
【简答题】在有中心的网络中,需要依靠 AP来组网。AP的全称叫做( )典型的产品有路由器、基站等
【单选题】历史上艰险的川江是中国西部的天然屏障,近代西方殖民者千方百计开拓川江航运以打开中国西部市场。最早强迫重庆开埠以打开中国西部市场的国家是