正在加载，请耐心等待
NATIONAL STANDARDS: Grades K-4 N推判班端子死青令ational Social Studies Standards- Culture: I- People, societies略挥赵取现, and cultures address n第培药钟便言eeds and concerns in ways that are both similar and 离奏报字灯约端花different- Cultur为宁设费用六便al unit来自y and diversity can be identified within and across groups- Time, Cont360百科inuity, and Change: II- Accounts of past events, people, places, and si双振尽吗贵松听八tuations contribute to our under害虽standing 找错紧八持of the past