电阻R1=R2先将它们并联接入电路中,再将他们串联接入同一电路两种情况干路中,电流之 发布时间:2020-10-09 21:29 │ 来源:www.tikuol.com 题型:单项选择题 问题: 电阻R1=R2先将它们并联接入电路中,再将他们串联接入同一电路两种情况干路中,电流之比为()。A、1:4B、4:1C、1:2D、2:1
题型:单项选择题 ----- That is how you can get to the hotel. Have I made myself clear? ----- I’m afraid I don’t quite catch with you.----- OK. __________A.How stupid you are!B.You got it, didn’t you? C.I’ll say it in another way. D.Forget it. 查看答案
题型:单项选择题 从学号为0~50的高一某班50名学生中随机选取5名同学参加数学测试,采用系统抽样的方法,则所选5名学生的学号可能是( )A.5,15,25,35,45B.1,2,3,4,5C.2,4,6,8,10D.4,13,22,31,40 查看答案