柴油的牌号按()来划分。A.密度 B.闪点 C.黏度 D.凝点 发布时间:2017-05-03 22:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 柴油的牌号按()来划分。A.密度B.闪点C.黏度D.凝点
题型:单项选择题 如图所示,闭合开关S时,灯泡L1、L2都不亮。用一段导线的两端接触a、b两点时,两灯都不亮;接触b、d两点时,两灯都不亮;接触c、d两点时,两灯都亮。则:[ ]A.灯L1断路 B.灯L2断路C.灯L2短路 D.开关S断路 查看答案
题型:单项选择题 She didn't feel like _____, so he suggested _____ the day in the garden.A. to work, to spendB. working, to spendC. to work, spending D. working, spending 查看答案