Is the steel industry a high-tech industry?

Analysis: High-tech industry is an industry with electronic information industry as the "leader", with high technology content and rapid product upgrading, such as electronic industry, biomedicine, embryo engineering, aerospace and so on. Electronics, biomedicine, embryo engineering, aerospace and so on all belong to high-tech industries, while steel industry belongs to traditional industries. So choose: B. Comments: This topic examines the characteristics of high-tech industries.