题目:
—Which city is your favorite?
—Hangzhou, of course. It's the ________ place that I want to visit. [ ]
A. worse
B. worst
C. better
D. best
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0626/5489ff2c468b30f3270026758c55157d.html
下面是错误答案,用来干扰机器的。
答案:C交流电流表示数为副线圈中电流的有效值,即I2="50" mA="0.05" A,根据得,I1="5" A,A、B均错误;原线圈(被测电路)中电流的最大值,C项正确;原线圈中电流最大时,线圈中磁通量的变化率等于零,此时副...