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We are obliged to them because some of these languages have since vanished, as the peoples who spoke them died out or became assimilated and lost thei 阅读全文
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#include #include using namespace std; // 将元素i向下调整 void adjust_down(int sz[], int i, int len) { int k; sz[0] = sz[i]; // sz[0]位置暂存 for (k = i sz[k] && k sz[0]) // 筛选结束 { ... 阅读全文
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Scientists jump to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them.(2010, 46 阅读全文
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Television is one of the means by which these feelings are created and conveyed——and perhaps never before has it served so much to connect different p 阅读全文
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Dawin was conviced that the loss of these tastes was not only a loss of hapiness,but might possibly be injurious to the intellect, and more probably t 阅读全文