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    22．The major world powers are afraid of in the weapon race． A．falling behind B．falling down C.being left alone D．being left behind 【查看更多】

     

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    The major world powers are afraid of ______in the weapon race．

    　　 A．falling behind　　　　　 B．falling down

    　　 C. being left alone　　　　　 D．being left behind

     

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