题目

阅读下列材料： 材料一：“方里而井，井九百亩，其中为公田。八家皆私百亩，同养公田，公事毕，然后敢治私事。” ——《孟子·滕文公上》 材料二：“秦……用商鞅之法，改帝王之制，除井田，民得卖买，富者连阡陌，贫者无立锥之地……” ——《汉书·食货志》 材料三：武德（唐高祖年号）七年，始定律令，以度田之制……丁男、中男给一顷，笃疾废疾给四十亩，寡妻妾三十亩，若为户者加二十亩所授之田，十分之二为世业，八为口分…… 补全对话A: Hi, Tom. I haven't seen you for a few days. Where have you been?B: A: Really? What's the weather like in Sanya?B: Oh, it's very warm. My uncle is working there. He likes water sports, especially swimming and surfing. He is good at surfing. Now I can surf by myself. Have you ever been to Sanya?A: I think I can go there this summer.B: Great! I will go to Sanya this summer, too. A: It sounds cool, but I don't know how to surf.B: Don't worry.A: By the way, where is your uncle now?B: He has gone to Beijing on business.