电池使用环境高或低应适当调整浮充电压,调整系数()。 A.-3mV/℃ B.-2mV 发布时间:2018-04-24 03:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: 电池使用环境高或低应适当调整浮充电压,调整系数()。A.-3mV/℃B.-2mV/℃C.-1mV/℃
题型:单项选择题 Speaker A: Listen. I've got some tickets for a great rock concert on Sunday night. Would you like to goSpeaker B: ______A.Great! But I wonder if you have one more ticket so that I can bring my sister along.B.All right. When will it startC.Sunday Gee, I'd love to, but it's my mom's birthday.D.Thanks ever so much. 查看答案
题型:单项选择题 下列叙述正确的是( )A.95 ℃纯水的pH<7,说明加热可导致水呈酸性B.pH = 3的醋酸溶液,稀释至10倍后pH<4C.0.2 mol·L-1的盐酸,与等体积水混合后pH = 2D.pH = 3的醋酸溶液,与pH = 11的氢氧化钠溶液等体积混合后pH = 7 查看答案