【单选题】听力原文:W: Hi, I'd like to open a bank account. M: Sure. Do you have proof of identification with you such as your passport Ms...? W: Miller. Haley Miller. Yes, here's my driver's license. Do you need an...
【简答题】The circuit element used to model this behavior is the resistor. Figure 1.1 shows the circuit symbol for the resistor, with R denoting the resistance value of the resistor. (翻译)