2009年4月3日，日本外相中曾根弘在内国会议上汇报了2009年版《外交蓝皮书》，经会议审定获得批准。有关中国问题，蓝皮书谈及08年中日两国首脑先后5次互访，称这是“具有历史意义的一年”。在古代，日本效仿中国隋唐制度进行了大化改薪，
请问：大化改新的时间是什么？执政者是谁？内容有哪些？请用一句话概括改革的历史意义。
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时间：7世纪。执政者：孝德天皇。内容：政治上，建立中央集权的天皇制封建国家，废除贵族世袭制，以才选官；经济上，把很多贵族土地收归国有，部民转为国家公民；国家定期把土地分给农民耕种，向他们收取赋税。意义：大化改新是日本从奴隶社会向封建社会过渡的标志。
| 完形填空。 One day two brothers went fishing. They had a dog with them. When they came near the river, they threw caps __1__ a big stone and went to the river bank to __2__. It __3__ cold that day, __4__soon they began to want their caps. They __5__ the dog to go back __6__them. When the dog got there, he tried to take the two caps together in his __7__ at the same time. It was very difficult. Then the dog saw that one __8__ the caps was smaller __9__ the other. He put the smaller cap in the _10__ one and took them to the two brothers. | ||||
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