【简答题】Many young people are 1 of the idea of parents seeing their posts. “ I don't want my mum to ask me about 2 I said on WeChat, ” said 15-year-old Li Na. And she 3 her mother ’ s most recent friend reque...
【简答题】下 图所示电路中,已知室温下硅管的 β =100 , V BE(on) =0.7V , 试求: ( 1 )室温下的 I CQ ≈ ( ), V CEQ ≈ ( ); A. 2.1 mA , 1. 17 V B. 2.1 mA ,- 1. 17 V C. 2. 5 mA ,- 0.94V D. 2. 5 mA ,- 0.94V
【单选题】Capitalism has suffered a series of mighty blows to its reputation over the past decade. The sense of a system rigged to benefit the owners of capital 1 the expense of workers is profound. In 2016...