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- 1判断对还是错:在通电状态下负载电阻减小,电源的端电压就下降,负载所消耗的功率就增大.
- 21,公共汽车上有男·女乘客共100人,到甲站后下车27位乘客,9位女乘客,又上来3位男乘客,9位女乘客.车到乙站后,上来8位女乘客,这时的男乘客正好是女乘客的3倍,问原来男乘客比女乘客多多少人?
- 3现有两种酒精溶液,甲种溶液中酒精与水的比是3:7,乙中酒精与水的比是4:1,今要得到酒精与水的比为3:2
- 4党的建立,经过,意义
- 54小时15分=几分之几时 15分=0.15*60=9 4小时要怎样算
- 6The bus arrived late____heavy snow.
- 7It was not until he took off his dark glass that I realize who he was.
- 8this really don't know
- 9以i love china为题写一篇600左右的英文演讲稿
- 10It becomes a very important part in people's lift. 意思?