翻译:IbelieveChineseeconomicauthoritiesrecognizetheproblemandthenextFive-YearPlanwilladdressiteffectively.
TheMississippi,whichissometimescalled________,hasplayedavitalroleinthehistoryoftheUnitedStates.
AustralianAboriginesbelievedinacreativeperiod,usuallyreferredtoinEnglishas________.
ModernEnglishvocabularydevelopsthroughthefollowingchannelsEXCEPT______.