问题描述：
1.The first plane was flown in 1903 by the American Orville Wright
2.The USSR completed the first space walk in 1965.
3.The World Wide Web has existed since 1992.劳驾帮我翻译一下上面三句话.
2.The USSR completed the first space walk in 1965.
3.The World Wide Web has existed since 1992.劳驾帮我翻译一下上面三句话.
问题解答：
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