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A land free from destruction, plus wealth, natural resources, and labor supply all these were important 【21】______ in helpin
A land free from destruction, plus wealth, natural resources, and labor supply all these were important 【21】______ in helpin
admin
2010-07-06
80
问题
A land free from destruction, plus wealth, natural resources, and labor supply all these were important 【21】______ in helping England to become the center for the Industrial Revolution. 【22】______ they were not enough. Something 【23】______ was needed to start the industrial process. That "something special" was men, 【24】______ individuals who could invent machines, find new 【25】______ of power, and establish business organizations to reshape society.
The men who 【26】______ the machines of the Industrial Revolution 【27】______ from many backgrounds and many occupations. Many of them were 【28】______ inventors than scientists. A man who is a 【29】______ scientist is primarily interested in doing his research 【30】______ . He is not necessarily working 【31】______ that his findings can be used.
An inventor or one interested in applied science is 【32】______ trying to make something that has a concrete 【33】______ . He may try to solve a problem by using the theories 【34】______ science or by experiencing through trail and error. Regardless of his method, he is working to obtain a 【35】______ result: the construction of a harvesting machine, the burning of a tight bulb, or one of 【36】______ other objectives.
Most of the people who 【37】______ the machines of the Industrial Revolution were inventors, not trained scientists. A few were both scientists and inventors. Even those who had 【38】______ or no training in science might not have made their inventions 【39】______ a groundwork had not been laid by scientists years 【40】______ .
【39】
选项
A、as
B、if
C、because
D、while
答案
B
解析
本题考查连接词用法。此处需要填入一个连接词if,用来连接一个表示与过去事实相反的虚拟条件句。
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公共英语四级笔试题库公共英语(PETS)分类
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公共英语(PETS)
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