问题
选择题
抗日战争结束后，国共之间爆发了内战。下列各项中，符合下图所示战役情况的是
A．刘 * * 和邓 * * 指挥了这场战役
B．将晋冀鲁豫解放军主力跃进至江淮流域
C．歼灭和改编国民党军队150余万人
D．推翻了国民党 * * 的统治
答案
答案：B
搜题请搜索小程序“爱下问搜题”
抗日战争结束后，国共之间爆发了内战。下列各项中，符合下图所示战役情况的是
A．刘 * * 和邓 * * 指挥了这场战役
B．将晋冀鲁豫解放军主力跃进至江淮流域
C．歼灭和改编国民党军队150余万人
D．推翻了国民党 * * 的统治
答案：B
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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