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    1．However，according to a widely acceptedtheory（理论），the universe began with a"Big Bang"．

    分析 然而，根据被广泛接受的理论，宇宙开始于一次大爆炸．

    解答 答案是theory；本题考查语境中选用适当的词；theory n．理论；题干中需要的是动词accept后充当宾语的名词"理论"，a widely accepted theory 被广泛接受的理论，故答案是theory．

    点评 翻译填空要根据所提供的汉语意思结合语境和句子结构选择恰当的词、短语或句型；同时注意句子结构和所选词的形式变化．

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