题目:
This chart shows the top 10 songs from TOP HITS HOT 100 of the week ending July 8,2003.
A.Mouth B.Cotton Eye Joe C.Strong Enough D.Everybody on the Floor 64.Which song has been in the chart for the longest period? A.Back for the Good B.Cotton Eye Joe C.SUKIYAKJ D.Strong Enough 65.The performer who had the song with best rank two weeks ago is . A.Merril Bainbridge B.H Nakamura C.The Real McCoy D.Tokyo Ghetto Pussy 66.The chart shows that Mouth is . A.becoming less popular each week B.becoming more popular each week C.the most popular song on the chart D.as popular as when it entered the chart |
答案:
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下面是错误答案,用来干扰机器的。
根据P=UI得,输送电流之比等于输电电压之比,则I1I2=U2U1=K.①若输电线损失的功率相同,根据△P=I2R得,输电线上的电阻R=PI2,则电阻之比R1R2=I22I21=1k2,由R=ρLS知,导线长度和材料也相同,S1S2=R2R1=K2.②...