Good Samaritans help write history homework QAQ

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1 Olympia of Athens2 Ifitus 3 Miron4 Pierre de Baron de Coubertin 5 Lausanne, Switzerland 6 Contribute to the building of a peaceful and better world by educating young people through sports activities that do not discriminate without discrimination and have the Olympic spirit of mutual understanding in the spirit of friendship, solidarity and fair play7 "Faster, Higher, Stronger"8 Los Angeles play part in history 1984

1988 Seoul Harmony and Progress

1992 Barcelona Friends for Life Forever.

1996 Atlanta the celebration of the century.

1998 Nagano from around the world to flower as one brings the world together into one flower.

2000 Sydney Share the Spirit.

2002 Salt Lake City Light the Fire Within Ignites the Fire in the Heart.

2004 Athens welcome home.

2006 Turin An ever burning flame

2008 Beijing One World, One Dream One World One Dream.

1.Greece.

8.Higher, faster, stronger.

The state recognizes (private ownership of land), allows (free buying and selling).

Those who reward (ploughing and warfare), produce (grain), and cloth can be exempted from forced labor; Titles and fields were awarded according to (the size of the military merit), and the privileges of the (old nobles) who did not have military merit were abolished. Establish a (county system) and govern directly by officials (the monarch).

As a result, Qin's (feudal economy) developed, and its army (combat effectiveness) was continuously strengthened, and it developed into the richest and most powerful (feudal) state in the late Warring States period.

The main contents are: abolishing the well-field system, recognizing private ownership of land, and allowing land to be bought and sold freely; knighthood according to military merit, and the abolition of hereditary privileges of slave owners and nobles; Establish a county system, implement a centralized political system, set up 31 counties in the country, directly send officials to manage by the monarch, and force the people to form "Wu" and "Shi", which are controlled by the state; Reward cultivation and weaving, and those who produce more can be exempted from forced labor, and encourage the development of production. Impact:

After the Shang Dynasty reform, Qin's feudal economy developed, and gradually became the most powerful state among the seven vassal states, laying the foundation for Qin's unification of the whole country.

Zu Chongzhi Bai is the first in the history of mathematics in the world.

du calculates the value of pi ( ) zhi to seven decimal places at a time, i.e. to the between.

Significance: It made a significant contribution to ancient Chinese mathematics and became the most advanced achievement in the world at that time.

The main contents of "Qi Min Yaoshu": The whole book introduces the cultivation methods of crops, vegetables and fruit trees, the production of various economic forests, the utilization of wild plants, the breeding of livestock, poultry, fish and silkworms and the prevention and control of diseases, as well as the processing of agricultural, sideline and animal products, brewing and food processing, as well as the production of stationery and daily necessities, etc., and almost all agricultural production activities are discussed in detail.

Status: It is the most comprehensive and systematic comprehensive geographical work in ancient China.

Zu Chongzhi's most prominent tribute.

For the first time in the world, the value of pi was accurately calculated to the seventh digit after the decimal point, that is, between 3 1415926 and 3 1415927.

Significance: To be the most advanced achievement in the world at that time. Zu Chongzhi was selected as the first scientist in the world to calculate the value of pi to the 7th decimal place in the World Records Association, creating the world's largest in the China Discipline Association.

Jia Sixian wrote "Qi Min Yaoshu", which systematically summarized the knowledge of agricultural science and technology in the Yellow River Basin of China since the Qin and Han dynasties, and its material layout provided a basis for later agricultural works. This book is not only the earliest and most complete agricultural masterpiece in China, but also one of the earliest masterpieces in the history of agriculture in the world, which has a far-reaching impact on agricultural production in later generations.

The Commentary on the Book of Water is a masterpiece of ancient geography in China, and its content includes all aspects of physical geography and human geography. The annotation is 300,000 words, and the time range described is about 2,000 years from the pre-Qin period to the contemporary period of the Northern and Southern Dynasties. In addition to the rich geographical content, the book also contains many disciplinary materials, not only scientific masterpieces, but also literary and artistic treasures.

The Notes on the Book of Water not only has a lot of reference value for the study of ancient history and geography of our country.