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  3. A land not suffering from destruction, plus wealth, natural resources, and labour supply--all these were important factors in he

A land not suffering from destruction, plus wealth, natural resources, and labour supply--all these were important factors in he

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问题     A 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 used.
    An 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 scientists.
选项 A、single
B、sole
C、specialized
D、specific
答案D
解析 从上下文得知：发明家努力制造有具体应用价值的东西，因而可推断出发明家的工作是为了获得具体的结果。所以D项specific(明确的，具体的)是正确答案。而single单一的，sole惟一的， specialized专门的，均不符合题意。
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