2. 外语
  3. A. if B. sources C. created D. pure E. stem F. factors G. theories H. specific

A. if B. sources C. created D. pure E. stem F. factors G. theories H. specific

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问题     A. if           B. sources        C. created        D. pure        E. stem
    F. factors      G. theories       H. specific       I. while       J. reluctantly
    K. accurately   L. creative       M. objectives     N. operated    O. specialized
    A land free from destruction, 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 else was needed to start the industrial process. That "something special" was men—【C2】________ individuals who could invent machines, find new【C3】________ of power, and establish business organizations to reshape society.
    The men who【C4】________ the machines of the Industrial Revolution came from many back grounds 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【C6】________. He is not necessarily working so that his findings can be used.
    An inventor or one interested in applied science is usually trying to make something that has a concrete use. He may try to solve a problem by using the【C7】________ of science or by experimenting through trial 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【C9】________.
    Most of the people who developed 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 groundwork had not been laid by scientists years before.
【C7】
选项
答案G
解析 空格前的定冠词the提示空格处应填入名词。空格处考查的是发明家解决问题的方式，根据常识可知：发明家一般通过科学理论的指导或实验试错法来解决实际问题，故填入词库中的theories“理论”符合语境。
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