LTE网络中的RNC负责跟3G的UMTS网络的互操作。()
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He________violinwhenIwanttosleep.
Evenwiththenewdevelopmentinresearch,onlyatiny________ofalltestsaredonewithoutusinganimals.
Weshallcertainlycontactyou,assoonasweare____apositiontoentertainnewbusinessinyourdistrict.
Linguistscanconcentrateonalltheaspectsoflanguageatonce.
She________everythingelseandconcentratedonthetaskbeforeher.