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With the development of science and technology, our life is more colorful and the world is more harmonious and beautiful!

Science and technology have brought too much to human beings, such as the earliest invention of gunpowder, which enabled human beings to clear roads, bridges and buildings, and promoted the development of various undertakings and the rapid development of military industry; With the emergence of papermaking and printing, human beings have the output of writing conditions, which has promoted people's extensive exchanges in culture, art, language, science and technology, economy and so on; The invention of compass promoted the development of navigation and trade, completed the great geographical discovery, and made mankind know the earth; Nowadays, the scientific and technological achievements of hybrid rice and super rice have improved grain and solved the problem of feeding the world population; Like Shenzhou 5 and Shenzhou VI, these shuttles help astronauts land on the moon, explore Mars and travel in space. Satellites provide us with satellite cloud pictures and weather forecasts, and can also relay TV signals; Robots can do many things that humans can't do, such as diving into the deep sea and breaking into the fire to save people. ...

Humans also invented telephones and computers, which made our life more convenient. For example, telephone: two people can communicate with each other by telephone, and then enter the number. This is the miracle that the telephone has brought to mankind. The telephone was invented, but people didn't invent computers. Computers can search the information they are looking for through the Internet, and have text and video conversations with distant relatives and friends through chat rooms. You can also send an email to the other party and receive it in a few seconds, which not only saves paper, but also allows the other party to receive it quickly …

The development of science and technology not only improves our living standard, but also improves our quality of life!