A land free from destruction(破坏), plus wealth, natural resources, and labor supply—all these were important【C1】______in helping

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问题     A land free from destruction(破坏), plus wealth, natural resources, and labor supply—all these were important【C1】______in helping England to become the center for the Industrial Revolution. But they were not enough. Something【C2】______was needed to start the industrial process. That " something special" was men—creative individuals who could invent machines, find new【C3】______of power, and establish business organizations to reshape(改造)society.
    The men who created the machines of the Industrial Revolution【C4】______from many backgrounds and many occupations. Many of them were more inventors than scientists. A man who is a【C5】______scientist is primarily interested in doing his research accurately. He is not necessarily working【C6】______that his findings can be used. An inventor or one interested in applied science is usually trying to make something that has an actual【C7】______. He may try to solve a problem by using the theories of science or by experimenting through correct and error. Regardless of his method, he is working to obtain a【C8】______result: the construction of a harvesting machine, the burning of a light bulb, or one of many other objectives. Most of the people who【C9】______the machines of the Industrial Revolution were inventors, not trained scientists. A few were both scientists and inventors. Even those who had little or no training in science might not have made their inventions【C10】______a ground work had not been laid by scientists years before.
【C10】

选项 A、as
B、if
C、because
D、while

答案B

解析
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