【简答题】Do you think it is ever a good idea for a ager to have a credit card? My kids watch closely as I swipe the card through the register.They’ve seen me do it hundreds, thousands of times.Cool.They ar...
【单选题】—Do you think time is money? —Yes, but I think it is ____ money.
【单选题】— Do you think it is a good idea to make friends with your students? — _____, I do. I think it is a great idea. [ ]
【简答题】分压式偏置共射极放大电路如下图所示。已知RB1=30kΩ,RB2=10kΩ,RC=RE= 2kΩ,RL=3kΩ,UCC=20V,三极管的电流放大系数β=60,输入电阻为( )KΩ,输出电阻为( )KΩ。【图片】
【单选题】— Do you think it is right? — Yes, _____________. [ ]
【单选题】—Do you think it is easy to learn English well? —I don't think so, but I find interesting to learn this language. [ ]
【单选题】—Do you think it is hard for you to learn math well? —Yes. I really want to drop it.
【单选题】—Do you think it is going to rain tonight?