文档介绍：
nvent machines, find new (23) of power,The men who (24) the machines of the Industrial Revolution (25) from many backgrounds and many occupations. Many of them were (26) inventors than scientists. A man who is pure scientist is primarily interested in doing his research (27) . He is not necessarily working and that his findings can be inventor or one interested in applied science is usually trying to make something that has a real and specific (28) . He may try to solve a problem by using the theories of science or by experimenting through trial and error. Regardless of his method, he is working to obtain a (29) result: the construction of a harvesting machine, the burning of light bulb, or one of (30) other objectives. Most of the people who developed the machines were inventors, not trained （）
A．origins
B．sources
C．bases
D．discoveries
land not suffering from destruction, plus wealth, natural resources, and labour supply--all these were important factors in helping England to become the center for the Industrial Revolution. (21) they were not enough. Something else was needed to start the industrial process. That some thing special was men-- (22) individuals who could invent machines, find new (23) of power,The men who (24) the machines of the Industrial Revolution (25) from many backgrounds and many occupations. Many of them were (26) inventors than scientists. A man who is pure scientist is primarily interested in doing his research (27) . He is not necessarily working and that his findings can be inventor or one interested in applied science is usually trying to make something that has a real and specific (28) . He may try to solve a problem by using the