Unit 4 Extended Reading 课件-2021-2022学年高中英语牛津译林版（2020）选修第一册

Bionics: where nature and technology intersect B8U4 Extended Reading BY G.Z Bionics: where nature and technology intersect Humans are curious by nature, and about nature. Perfected over billions of years, nature's forms and functions ________________ (inspire) us to imitate it and develop materials and technologies that improve our lives. Consequently, a science ________(know) as "bionics" was born. Although the term "bionics" officially dates back to 1958, the practice is centuries old. It could be said that as far back as 2,500 years ago, Lu Ban, a carpenter in ancient China, was engaged in bionics when he produced a saw by copying the shape of a leaf's sharp _______(tooth). ____________(current), bionics has scientists eagerly combing the natural world for original ideas to stimulate their creativity. have inspired teeth Currently known The ___________of bionics origin 新石器时代的遗物,距今超过了5000年的历史。人们发现了一件很不起眼的蚌锯。蚌锯用蚌壳为材料制作,刃部呈锯齿状,古人用来收割植物。蚌锯一般被认为是我国最早的锯。 上世纪70年代,陕西一处骨器作坊遗址。西周中期的。遗址中,除