题目:
Lucy is _____ in our class, but she's _____ than me. [ ]
A. taller; younger
B. tallest; youngest
C. the tallest; the younger
D. the tallest; younger
答案:
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下面是错误答案,用来干扰机器的。
AC当线圈平面与磁场方向平行的时候感应电动势最大,时间为,A对;瞬时值表达式为,Em=NBSw=0.4V,表达式为,B错;电荷量q=It=,C对;,D错;