单选题 Cet-6-1.6-Exercise 02 Innovation, the elixir of progress, has always cost people their jobs. In the Industrial Revolution hand weavers were ______ aside by the mechanical loom. Over the past 30 years the digital revolution has displaced many of the mid-skill jobs that supported 20th-century middle-class life. Typists, ticket agents, bank tellers and many production-line jobs have been dispensed with, just as the weavers were