“闭关锁国”的政策: (1)清朝统治者实行“闭关锁国”政策的原因有哪些? ________________________________________________________________________________________________________________________________________________________________ (2)清朝统治者实行“闭关锁国”的措施有哪些? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ (3)“闭关锁国”政策产生了怎样的影响? ________________________________________________________________________________________________________________________________________________________________ |