一个带正电的油滴从图所示的匀强电场上方A点自由下落,油滴落入匀强电场后,能较准确 发布时间:2017-06-16 18:01 │ 来源:www.tikuol.com 题型:选择题 问题: 一个带正电的油滴从图所示的匀强电场上方A点自由下落,油滴落入匀强电场后,能较准确地描述油滴运动轨迹的是图中的( )A.B.C.D.
题型:选择题 —It’s time that I ____ on night duty. I must be off now.—I’d rather you ____ at home on such a family reunion night.A.am, stayB.was, stayedC.will be, to stayD.be, will stay 查看答案