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    How universe came into being is a puzzle to scientists 闂傚倸鍊搁崐鎼佸磹閻戣姤鍤勯柛顐ｆ礀绾惧鏌曟繛鐐珔缁炬儳鐏濋埞鎴︽偐瀹曞浂鏆￠梺鎼炲€曢悧蹇涘箟閹间焦鍋嬮柛顐ｇ箘閻熴劑姊虹紒妯虹瑨闁诲繑宀告俊鐢稿礋椤栨氨顔婇梺瑙勬儗閸ㄩ亶寮ィ鍐╃厽閹兼番鍨婚崯鏌ユ煙閸戙倖瀚�【查看更多】

     

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    How ______ universe came into being is a puzzle to ______ scientists of all generations.

    A. the; 不填    B. an; the    C. a; 不填    C. 不填；the

     

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    How ______ universe came into being is a puzzle to ______ scientists of all generations.

       A. the; 不填    B. an; the    C. a; 不填    C. 不填；the

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    How ______ universe came into being is a puzzle to ______ scientists of all generations.
    A. the; 不填    B. an; the    C. a; 不填    C. 不填；the

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     How ______ universe came into being is a puzzle to ______ scientists of all generations.

       A. the; 不填    B. an; the    C. a; 不填    C. 不填；the

     

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