勤劳勇敢的中华民族,文化源远流长,有着近4 000年的文明史(指有文字记载)。可以毫不夸张地说,在历史进入15世纪以前,中国文明一直处于世界领先地位。比如古代的冶铸钢铁、水法炼铜就令西方人望尘莫及。只是从15世纪开始,中国才慢慢落后于世界发展水平。然而解放后,人民当家作主,个人 The industrious and courageous Chinese nation has a long history with a history of civilization of nearly 4,000 years (with written records). It is no exaggeration to say that before the 15th century, Chinese civilization has always been in a leading position in the world. For example, the ancient smelting of steel, copper water law to make Westerners unmatched. Only from the 15th century onwards did China slowly lag behind the world level of development. However, after the liberation, the people should be the masters of the country and individuals