It is held by some people that knowledge is power, especially scientific and technological knowledge. Science and technology are the motive power of the social development, which constitute a primary productive force. The use of robots is the produce of development of science and technology.
People's views on the use of robots vary from person to person. Some hold that human life cannot continue without the use of robots. For many years, human society has developed with the use of science and technology. So the life with the use of robots we are living now is more efficient than that of our fore fathers. They go on to point out that the use of robots has brought about many changes in people's life. For example, through the use of robots can improve the work efficiency and avoid dangerous events happening in our life in that we can require robots to do some works with danger instead of human beings.
Science and technology of robots are the crystallization of human wisdom. It brought a glorious past to humanity, also will bring bright future to mankind.
词汇学习：
social development社会发展
knowledge is power知识就是力量
关键词：四级英语
