This is a gift ___________ you. [ ] A. f 发布时间:2017-04-20 11:11 │ 来源:www.tikuol.com 题型:选择题 问题: This is a gift ___________ you. [ ]A. forB. toC. of
题型:选择题 有两只定值电阻,甲标有“10Ω 1A”字样,乙标有“15Ω 0.6A”字样,把它们并联起来接入电路中,则两定值电阻两端允许加的最大电压是( )A.10 VB.9 VC.19 VD.25 V 查看答案