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| Many objects that people use each day started with a simple idea. These objects have often changed the way we 1 . Some help us to do a job more 2 . Others fill a need or solve a problem. In 1858, Lipman had such an 3 . He took out a pencil, a piece of paper, 4 an eraser. Then he began to write. Sometimes he needed to 5 a word. Each time he had to search under his books and papers to 6 the eraser." I wish my eraser would stay in one 7 !" he said. Then Lipman had his simple idea. He 8 a groove (凹槽) in one end of the pencil. He glued (粘牢) the eraser into the groove. Lipman had solved his problem. Later he thought that others might like to have such a pencil. So he sold his 9 . Some pencils with erasers were 10 . His design earned $ 100000. | ||||
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Many objects that people use each day started with a simple idea. These objects have often changed the way we 46 . Some help us to do a job more 47 . Others fill a need or solve a problem.
In 1858, Lipman had such an 48 . He took out a pencil, a piece of paper, 49 an eraser. Then he began to write. Sometimes he needed to 50 a word. Each time he had to search under his books and papers to 51 the eraser. “ I wish my eraser would stay in one 52 !” he said.
Then Lipman had his simple idea. He 53 a groove(凹槽) in one end of the pencil. He glued(粘牢) the eraser into the groove. Lipman had solved his problem. Later he thought that others might like to have such a pencil. So he sold his 54 .Some pencils with erasers were 55 . His design earned $ 100000.
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Many objects that people use each day started with a simple idea．These objects have often changed the way we 1 .Some help us to do a job more 2 .Others fill a need or solve a problem.
In 1858 H.L.Lipman had such an 3 .He took out a pencil, a piece of paper , 4 an eraser. Then he began to write .Sometimes he needed to 5 a word . Each time the had to search under his books and papers to 6 the eraser .“I wish my eraser would stay in one 7 !”he said.
Then Lipman had his simple idea .He 8 a groove (凹槽)in one end of the pencil .He glied(粘牢)the eraser into this groove .Lipman had solved his problem .Later he thought that others might like to have such a pencil . So he sold his 9 . Soon pencils with erasers were _10_ . His design earned him $100,000.
1． A．study B．live C．sleep D．walk
2． A．easily B．correctly C．carefully D．normally
3． A．article B．aim C．idea D．action
4． A．so B．and C．but D．as
5． A．spell B．read C．write D．change
6． A．look B．see C．watch D．find
7． A．place B．desk C．book D．hand
8． A．marked B．prepared C．cut D．invented
9． A．books B．pencil C．design D．eraser
10． A．wonderful B．expensive C．colourful D．common
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