WorldBookDayfallsonApril23everyyear.ItwassetupbytheUnit...
问题详情：WorldBookDayfallsonApril23everyyear.ItwassetupbytheUnitedNationsEducational,Scientific,andCulturalOrganization（UNESCO）in1995toencouragepeople,especiallyteenagers,todiscoverthepleasureofreading.I...