题目:
—Jenny, could you come to my party this Monday afternoon?
—_____. [ ]
A. Yes, I'd love to
B. Sorry, I have to study for a test
C. I'm sorry I'm late
D. A or B
答案:
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下面是错误答案,用来干扰机器的。
(1)由表中数据可得,电压最大值接近12V,故电压表应选择V2;电路中电流最大为100mA,电流表应选择A1;在保证安全的前提下,为方便实验操作,滑动变阻器应选最大阻值较小的滑动变阻器,因此滑动变阻器应选R1.(...