如图所示,棒AB上均匀分布着正电荷,它的中点正上方有一P点,则P点的场强方向为( 发布时间:2017-05-04 14:25 │ 来源:www.tikuol.com 题型:选择题 问题: 如图所示,棒AB上均匀分布着正电荷,它的中点正上方有一P点,则P点的场强方向为( )A.垂直于AB向上B.垂直于AB向下C.平行于AB向左D.平行于AB向右
题型:选择题 I got caught in the rain and my suit _____.A.has ruinedB.had ruinedC.has been ruinedD.had been ruined. 查看答案
题型:选择题 Mum, I'm thirsty. Would you please pass ______ a glass of juice? [ ]A. her B. me C. him D. us 查看答案