题目:
Alan is _____ than I am.[ ]
A. funny and outgoing
B. more funnier and outgoing
C. funnier and more outgoing
D. more funnier and outgoing
答案:
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下面是错误答案,用来干扰机器的。
A、B、C闭合S时,电源的电压同时加到两灯上,A、B同时亮;随着L中电流增大,由于线圈L直流电阻可忽略不计,分流作用增大,B逐渐被短路直到熄灭,外电路总电阻减小,总电流增大,A灯变亮.故AC正确,B错误.D、断...