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1、 According to the Oxford Dictionary, technology can be defined as the knowledge or use of the mechanical arts and applied sciences, while scie-nce can be defined as the branch of knowledge involving systematized observation and experiment. In addition, technology is often defined as applicat-ion of
2、scientific knowledge to achieve a specific pur-pose. Historical evidences suggest technology is a product of science. We cant deny that great cha-nges have taken place in our life and society as a result of the development of science and technology. Science and technol-ogy can be dated from the orig
3、in of human life 2 million years ago. As e-veryone knows, before that, primitive man lived in caves. They knew no-thing about science, ne-edless to say technology, and what they used was only roughly shaped stone. By the time of Ban Po civilization, peop-le could build simple shelters with soil and
4、grass; they could al-so make pottery as necessities. In the early time of science and technology, hu-man beings led a t-ribal lifethe earliest society. With the appearance of Ancient Civilization, our ancestor discovered metal and even could use it to make sharper arms and stronger tools. This time
5、the so-called society was just a coun-try with low productivity. They could build huge palace with wood, stone and brick, but the tools they used were simple and of low efficiency. During this period, The Great Wall witnessed the development of science and technology. palace ancient weapon Modern ti
6、mes, science and technology had further development. The concept of society had expanded and various inventions had made the society colorful and wonderful. The steam engine, lamp and telephone, what we-re representatives of the industrial revolution, had mad the world smaller and brighter. As new k
7、ind of transportation ,train and plane made expedition easier and faster. With the advancement of science and technology, virtual world is gradually seeping into media, marketing, entertain-ment and our daily lives. The concept of society becomes more and more obscure and the earth becomes a village
8、. Relying on new technology and advanc-ed tools， more and more skys-crapers stand on the ground. Computer technology makes our life more convenient and high efficiency. Professional tools make most things easier and save effort. The science and technology is closely related to our life and society so that every great leap of science and technology can cause social transformation. How society will be, no one can describe it accurately. The only thing we can do is to wait and see.Thats all, thank you.12 结束语结束语