题目

In most people’s eyes, I was a golden girl when I was eighteen years old： I was president of the college drama society, a member of the student senate and so on. I was the_______of all my friends and I was in a state of _______ .The old Greek tragedies___________us that when pride rises, punishment falls. My universe_______ with great suddenness when the scenery(舞台布景道具）fell on my head and I was left almost_______for the next four months.My memory was in a mess and within a few months all my _______ were taken away. I was even told that I would have to leave the college at the20．如图，均匀带电半球壳ABC被平面MN分成两部分（D为OB中点），PP′为过水平半径的直线，D′D关于O点对称，设半球壳的左部分（I）在D点产生的电场强度大小为E1，右部分（Ⅱ）在D点产生的电场强度大小为E2，半球壳ABC在D′点产生的电场强度大小为E3，下列说法正确的是（　　）A．E1=E2=E3B．E1＞E2=E3C．E1＞E3＞E2D．E1＞E2＞E3