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②当与别人交往时,知道哪些界线刁伪当独自在家时,知道怎样对待陌④当遇到紧急情况时,知道救生的学会自我保护——青少年必修课@王家琪
② when dealing with others, know what boundaries Diao pseudo when alone at home, know how to treat the street ④ in case of emergency, know life-saving learn self-protection - young people required course @ Wang Jiaqi