增加：在缺词处加一个漏字符号（/\），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1). 每处错误及其修改均限一词。

2). 只允许修改10处，多者（从第11处起）不计分。

    Mr. Grey liked walking from a station to his office. One morning he was walking along the street while a stranger stopped him and said to him, “You may not remember me, sir, but one year before I came to London without a penny in my pocket. I stopped you in this street and asked you lend me some money, but you gave me £5. You said you are willing to take a chance to give us a new start.” Mr. Grey felt a bit surprising and thought for a few second. Then he said, “Yes, I remember you.” “Well, are you willing to take for another chance?” The stranger said carefully.

泌尿系统的主要器官是（　　）

故事分析：材料一 世界著名的发明大王爱迪生，晚年变得骄傲自大，甚至对手下说:“你们不要像我建议什么，任何高明的建议也超越不了我的思维。”这样他就堵塞了智慧的源泉，丧失了前进的动力，也就不再有什么重大发明问世。
材料二 李华是一个性格开朗活泼的同学。在学校的一次单元测验中，她的成绩落在全班最后。这时，李华变成了另外一个人，认为自己太笨，不可能学好了，整天垂头丧气，性格也变得孤僻起来。
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