A professor told his students to go into the city slums (贫民窟) to study the life of 200 boys .He asked them to 1 reports(报告)about each boy's life and future . Most of the students wrote, "He doesn't have any hope."
Twenty-five years2, another professor read about the earlier reports .He told his students to3what happened to the boys. They tried very hard and found that 176 of 4boys had become successful as doctors, teachers or scientists.
The professor was very5and decided to study it further .Luckily , all the men were living in the same city and he was able to visit and ask each one ,"What made you6 ?" They all answered, "There was a good teacher."
The teacher was7living there ,so the professor found her and asked the old lady8she had pulled those boys out of the slum, and changed them into successful people. The teacher's9began to shine and said with a sweet smile, "It's really very easy. I10those boys. I'm proud of them."