阅读理解

    It is Sunday today. It is my grandma's birthday. Father, mother and I go to visit her.

    She lives with my uncle. In the morning we buy a birthday cake and some fruits and go to her house at ten o'clock.

    We spend about half an hour getting there. My grandma and uncle are very glad to see us. We give the presents to grandma and say“Happ y birthday to you! ”She is very happy. Then we sit down to talk. My uncle can cook.

    The meal is very nice. We all like it very much. After lunch, I play with my uncle. At four o'clock, we say goodbye and go home.

湖笔是中华“文房四宝”之一。随着书写工具的改进和网络条件下无纸化信息传播的冲击，湖笔的故乡湖州善琏镇转变思路，将湖笔的文化功能作为突破困境的主要出口，把湖笔制作纳入旅游和休闲文化产业链，不但开放工艺过程，还可以私人订制成为收藏馈赠佳品。这体现出（    ）

①文化产品的兴衰变迁折射出经济社会的重大变化②走产业化道路是传统文化传承和创新的有效途径③继承和保护传统文化必须充分利用文化的经济价值④优秀的传统文化在社会历史变迁中永远具有生命力

在坐标平面内，圆心坐标为（4，3），将圆向左平移4个单位长度时圆心坐标为____，再向下平移3个单位长度时圆心坐标为____．