Writing ideas: establish the center, focus on material selection, determine the key points, and make detailed arrangements. When selecting materials, we should pay attention to closely focusing on the central idea of the article and choose authentic, fresh and interesting materials, so as to make the central idea of the article clearly and profoundly displayed. The details are as follows:
China, one of the four oldest civilizations in the world, has a written history of 4, years and boasts rich cultural relics and historical sites It is the inventor of compass，paper－making，gunpowder and printing The Great.
Wall， Grand Canal and Karez irrigation system are three great ancient engineering projects built 2， years ago Now they are the symbols of the rich culture of the Chinese nation China has gone over a long history of primitive.
society， slavery society，feudal society and semi－feudal semi－colonial society? And the present socialist society condensed China is an introduction to Chinese history.
China is one of the four ancient civilizations in the world, with a written history of 4, years and rich cultural relics. It is the great inventor of the compass, papermaking, gunpowder and printing.
The Great Wall, the Grand Canal and the Karez Irrigation System are three ancient projects built 2, years ago. Now they are symbols of the rich culture of the Chinese nation. China has a long history of primitive civilization.
feudal society, slavery society, feudal society and semi-colonial society. The present socialist society. Enriching China is an introduction to the history of China.