A land free from destruction, plus wealth, natural resources, and labor supply...all these
The men who【C6】______the machines of the Industrial Revolution【C7】______from many backgrounds and many occupations. Many of them were【C8】______inventors than scientists. A man who is a【C9】______scientist is primarily interested in doing his research【C10】______. He is not necessarily working【C11】______that his findings can be used.
An inventor or one interested in applied science is【C12】______trying to make something that has a concrete【C13】______. He may try to solve a problem by using the theories【C14】______science or by experimenting through trial and error. Regardless of his method, he is working to obtain a【C15】______result: the construction of a harvesting machine, the burning of a light bulb, or one of【C16】______other objectives.
Most of the people who【C17】______the machines of the Industrial Revolution were inventors, not trained scientists. A few were both scientists and inventors. Even those who had【C18】______or no training in science might not have made their inventions【C19】______a groundwork had not been laid by scientists years【C20】______.
【C1】
A.cases
B.reasons
C.factors
D.situations