《孟子·梁惠王上》说:“海内之地,方千里者九,齐集有其一。”语文课本注释说:“纵横各一千里的国家有九个,齐国的土地总算起来,也只有九分之一。”课文对“海内之地”未作解释,不过从上引注释中可以看出,教材的编者是认为当时的中国境内方千里的诸侯国有九个,齐国只是其中之一。春秋战国时期的中国疆域未宏,远比秦汉以后小得多,这是实情。但有一点古今是相同的,即中国 “Mencius Liang Hui Wang,” said: “The place of the sea, where thousands of miles are nine, gathered one of them.” “Chinese textbook commentary said:” There are nine countries in each vertical and horizontal direction, the land of Qi At the end of the day, there is only one-ninth. “The text does not explain” ", but as can be seen from the above notes, the editors of the textbook think that there were nine vassal states in China at that time A, Qi is just one of them. The Chinese territory of the Spring and Autumn Period and the Warring States Period were not grand, much smaller than after the Qin and Han dynasties. This is the truth. But one thing is the same from ancient to modern, that is, China