A professor gave his graduates students this assignment: Go to the slums （贫民窟）. Take 200 boys,   31   the ages of 12 and 16, investigate their background and environment, and then predict their chances for the future. The students, after consulting social statistics, talking to the boys, and compiling much data,   32   （conclude） that 90 percent of the boys would spend some time in jail. Twenty years later another group of students   33   （give） the job of testing the prediction. They went back to the   34   area. The boys were now men. Some still lived there, many had died, the others had moved away,   35   the researchers finally contacted 180 of the original 200. Their findings showed that only four of the group had ever been sent to jail. Why was it   36   these men, who had lived in a breeding place of crime, had such a   37   （surprise） good record? The researchers were told: “There was a teacher…” They finally found that in 75 percent of the cases it was the same women. The researchers went to her, now   38   （live） in a house for retired teachers. How had she exerted this remarkable influence on that group of children? Could she give them any reason   39   these boys still remembered her? “No,” she said, “no, I really couldn’t.” And then, thinking back over the years, she said musing （沉思）   40   to herself than to her questioners, “I loved those boys…” Ks5u

A professor gave his graduates students this assignment: Go to the slums （贫民窟）. Take 200 boys,   31   the ages of 12 and 16, investigate their background and environment, and then predict their chances for the future. The students, after consulting social statistics, talking to the boys, and compiling much data,   32   （conclude） that 90 percent of the boys would spend some time in jail. Twenty years later another group of students   33   （give） the job of testing the prediction. They went back to the   34   area. The boys were now men. Some still lived there, many had died, the others had moved away,   35   the researchers finally contacted 180 of the original 200. Their findings showed that only four of the group had ever been sent to jail. Why was it   36   these men, who had lived in a breeding place of crime, had such a   37   （surprise） good record? The researchers were told: “There was a teacher…” They finally found that in 75 percent of the cases it was the same women. The researchers went to her, now   38   （live） in a house for retired teachers. How had she exerted this remarkable influence on that group of children? Could she give them any reason   39   these boys still remembered her? “No,” she said, “no, I really couldn’t.” And then, thinking back over the years, she said musing （沉思）   40   to herself than to her questioners, “I loved those boys…”