将标有“220V750W”电热水器接在电压为220V的电路上,通过它的电流是__ 发布时间:2017-05-19 16:54 │ 来源:www.tikuol.com 题型:填空题 问题: 将标有“220V 750W”电热水器接在电压为220V的电路上,通过它的电流是______A,它的电阻是______Ω,这个电热水器2min消耗的电能是______J.(答案保留一位小数)
题型:填空题 We seldom hear American ________ a friend or family member using the full name.A.admitB.admireC.acknowledgeD.address 查看答案
题型:填空题 下列程序的输出结果是______。long fun5(int n){ long s; if((n==1)‖(n==2))s=2; elses=n+fun5(n-1); return(s);}main() { long x; x=fun5(4); printff"%1d\n",x);} 查看答案