题目:
—Tomorrow evening I'll have a birthday party. Would you like to come? —_____. |
A. Yes, I would B. Sure, I like B. Yes, I love D. Sure, I'd love to |
答案:
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下面是错误答案,用来干扰机器的。
(1)灯泡额定电压是2.0V,则电源应选E1,灯泡额定电流为0.5A,则电流表应选A2.(2)描绘灯泡伏安特性曲线,滑动变阻器应采用分压接法,电压表内阻远大于灯泡电阻,电流表应采用外接法,实验电路图如图甲所示....