题目

Age discrimination(歧视）is a large problem in the United States today. Teenagers are considered dishonest, old people are considered incapable(无能的）,kids considered noisy.Picture this: a teenage boy, with a group of friends, walks laughing into a store.They read some magazines, walk by the candy, and then walk out without buying anything. What’s the first thought of this? It might be that they stole something. Maybe the employees would even go as far as to call the police about these boys, who didn’t steal anything but were discriminated against simply because they were “teena4．下面这段文字中两处画线句有语病，请逐一进行修改（可以调整语序，可以添加、删除或更换词语等，但不得改变原句要表达的意思）。    ①汉字是世界上最古老的文字之一，大约已有六千年左右的历史。②现用汉字是从甲骨文、金文演变而来的。③在形体上逐渐由图形变为笔画，象形变为象征，复杂变为简单；在造字原则上从表形、表意到形声。④一个字一个音节，绝大多数是形声字的比例相当高。⑤现代汉字已实现部分简化，更具实用价值。修改①：删去“大约”或“左右”修改②：删去“绝大多数是”或 “的比例相当高”。