![Flagsarenowseeneveryday,buttheywereonceonlyusedinbattle...]( "Flagsarenowseeneveryday,buttheywereonceonlyusedinbattle...")
- 问题详情：Flagsarenowseeneveryday,buttheywereonceonlyusedinbattles.Nooneknowsforsure___61___flagscamefrom.However,itseemsthatChinaandtheRomanEmpirewerethefirstonestousethemtoidentifytheirarmies.The___62____(early)flagswereactuallywoodenstatueswhichwere...
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