题目

Seven or eight-year-old children are young school students. They think of themselves more than others. They play well in groups but they may need some time to play alone. Many children have a best friend and an enemy. They like to play with the same sex playmates. They have a strong need for love and attention from their parents. They are beginning to care about the feelings and needs of others. They may enjoy taking care of and playing with younger children. To them, “good” and “bad” are what parents and teachers say. They do not like criticism (批评). They become upset when 求不等式|x-1|+2|x+3|＜5的解集．