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　　There was a woman in Detroit, who had two sons. She worried about them, especially the younger one, Ben, because he was not doing well in school. Boys in his class made jokes about him because he seemed so 1 . The mother 2 that she, would, herself have to get her sons to do better in school. She told them to go to the Detroit Public Library to read a book a week and do a book report for her. One day, in Ben's 3 , the teacher held up a rock and asked if anyone knew it. Ben put up his hand and the teacher let him 4 . “Why did Ben put up his hand?” his classmates wondered.

　　“He 5 said anything, What could he possibly want to say?”

　　Well, Ben not only 6 the rock, but also said a lot about it. He named other rocks in it's group and even knew 7 the teacher had found it. The teacher and the students were 8 . Ben had learned all this from doing one of his book 9 .

　　Ben later went on to the 10 of his class. When he finished high school, he went to Yale University and at last became one of the best doctors in the United States.