题目

  It’s never foolish   61  (acknowledge) you are in the wrong. Being human, we all need the art of apology. Look back and think how often you’ve judged   62  (rough), said unkind things, pushed yourself ahead   63   the cost of a friend. Some deep thought lets us know that when even a small mistake has been made, your feeling will stay out of balance   64   the mistake is acknowledged and your regret is expressed. I remember a doctor friend   65  (tell) me about a man who came to him with   66  (vary) illnesses: headache, insomnia, stomachaches and so on. No p如图，虚线MN上方存在方向垂直纸面向里的匀强磁场，带电粒子从边界MN上的A点以速度垂直磁场方向射入磁场，经磁场偏转后从边界MN上的B点射出，若粒子经过的区域PQ上方在叠加方向垂直纸面向里的匀强磁场，让该粒子仍以速度从A处沿原方向射入磁场，经磁场偏转后从边界MN上的点射出（图中未标出），不计粒子的重力，下列关于粒子的说法正确的是（ ）A．点在B点的左侧B．从点射出的速度大于从B点射出的速度C．从点射出的速度方向平行与从B点射出的速度方向D．从A到的时间等于从A到B的时间