第一部分：阅读理解,共两节（共20题；每题2分；满分40分）
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Microsoft founder bill Gates has recovered his spot at the top of the US money heap, taking the place of investor Warren Buffett as America’s richest person, Forbes magazine’s latest list reveals. With 57 billion dollars net worth Gates again leads the list of 400 richest individuals in the world’s wealthiest country. He displaced Buffett who briefly held the position this year but who has seen his Berkshire Hathaway investment group’s shares slip 15 percent since February and is now worth 50 billion.
