①一千年前的宋代，开始出现的印刷术、指南针和火药技术处于世界领先地位

②一百年前，我们一度落后的原因有当时中国政府的腐败和帝国主义的侵略

③十一届三中全会作出的改革开放政策对我们再度起飞具有重要作用

④十三大提出的建立社会主义市场经济体制的决定为我们再度起飞铺平了道路

    I'm Lucy. I have a happy family. There are four people in my family. My birthday is on January 1st. It's New Year's Day, too. My family and I will have a big dinner on that day. I have a little brother. He is four years old. His birthday is in winter. It's very cold but we can make a snowman. My mother's birthday is in March. My father's birthday is in March，too. We can plant trees and fly kites.

看图列式计算．

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