题目

IV、完形填空， 通读下面短文，掌握其大意，然后在各题所给的四个选项(A、B、C 和 D)中选出一个最 佳选项。   About a week ago, when I was playing basketball at our local park, I noticed a small group of boys picking on a smaller, skinnier boy. They were 1___ him names and even pushed him to the ground and kicked dirt in his face. 2 ___I saw that, I walked over to the group. I stepped 3___ them and the smaller boy, and asked them politely what this boy had done worthy of 4____ they were doing to him. One of the boys replied, “He’s weird.” At that, 已知A={x||x-a|≥4}，B={x|x2-4x+3＜0}，p是A中x满足的条件，q是B中x满足的条件．（1）求￢p中x满足的条件．（2）若￢p是q的必要条件，求实数a的取值范围．