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Two factors weigh heavily against the effectiveness of scientific research in industry. One is the general atmosphere of secrecy
Two factors weigh heavily against the effectiveness of scientific research in industry. One is the general atmosphere of secrecy
admin
2010-06-30
54
问题
Two factors weigh heavily against the effectiveness of scientific research in industry. One is the general atmosphere of secrecy in which it is 【21】______ , the other the lack of freedom of the individual research worker. 【22】______ any inquiry is a secret one, it naturally limits all those engaged in carrying it out 【23】______ effective contact with their fellow scientists either in other countries or in universities, or 【24】______ ,often err)ugh, in other departments of the same firm. The degree of secrecy naturally 【25】______ considerably. Some of the bigger firms are 【26】______ in researches which am 【27】______ such general and fundamental nature that it is a positive 【28】______ to them not to keep them secret. 【29】______ a great many processes depending on such research am sought for with complete secrecy 【30】______ the stage at which patents can be 【31】______ . Even more processes am never patented 【32】______ but kept as secret processes. This 【33】______ particularly to chemical industries, where chance discoveries play a much larger part 【34】______ they do in physical and mechanical industries. Sometimes the secrecy goes to such an 【35】______ that the whole nature of the research cannot be mentioned. Many firms, for instance, have great difficulty in 【36】______ technical or scientific books from libraries 【37】______ they are unwilling to have their names entered 【38】______ having taken out such and such a book, 【39】______ the agents of other firms should be able to trace the kind of research they are likely to be 【40】______ .
【30】
选项
A、when
B、until
C、unless
D、after
答案
B
解析
until直到。本句译为:然而依赖这种研究的许多工艺流程是在完全保密的情况下寻找的,直到可以取得专利权的阶段为止。
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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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公共英语四级笔试
公共英语(PETS)
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