2. 外语
  3. A land free from destruction, plus wealth, natural resources, and labor supply— all these were important factors in helping Engl

A land free from destruction, plus wealth, natural resources, and labor supply— all these were important factors in helping Engl

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问题     A land free from destruction, plus wealth, natural resources, and labor supply— all these were important factors in helping England to become the center for the Industrial Revolution.【C1】______ 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 sources of power, and establish business organizations to reshape society.
    The men who【C3】______ the machines of the Industrial Revolution come from many backgrounds and many occupations. Many of them were more inventors than scientists. A man who is a【C4】______ scientist is primarily interested in doing his research【C5】______ 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【C6】______ 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【C7】______ result: the construction of a harvesting machine, the burning of a light bulb, or one of many other objectives.
    Most of the people who【C8】______ the machines of the Industrial Revolution were inventors, not trained scientists. A few were both scientists and inventors. Even those who had【C9】______ or no training in science might not have made their inventions【C10】______ a groundwork had not been laid by scientists years before.
【C10】
选项 A、as
B、if
C、because
D、while
答案B
解析 本题要求填入的是一个连接词，用来连接一个表示与过去事实相反的虚拟条件句。本句的意思是说：“如果没有科学家早年打下的基础，那些在科学上接受过很少或没有接受过训练的人就不可能有所发明创造。"B项if通常用在条件句中，因而是答案，由于整个句子比较长、结构比较复杂，如果把主句中的主语改成they，即they might nothave made their inventions if a groundwork had not been laid…，则整个句子的结构就可以看得比较清楚了。C项because和A项as常用来连接表示原因的状语从句。如果本句的主句中不是用might not have made，而是用did not make，连接词就可以用be—cause或as，但这样一来，本句在上下文中就说不通了。D项while一般用来连接表示时间的状语从句，或连接一个转换语气的并列句。因此，while用在本句中是不合适的。
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