2. 外语
  3. Industrial safety does not just happen. Companies【C1】______ low accident rates plan their safety programs, work hard to organize

Industrial safety does not just happen. Companies【C1】______ low accident rates plan their safety programs, work hard to organize

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问题     Industrial safety does not just happen. Companies【C1】______ low accident rates plan their safety programs, work hard to organize them, and continue working to keep them【C2】______ and active. When the work is well done, a【C3】______ of accident free operations is established【C4】______ time lost due to injuries is kept at a minimum.
    Successful safety programs may【C5】______ greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by【C6】______ rules or regulations.【C7】______ others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained. There can be no question about the value of a safety program. From a financial standpoint alone, safety【C8】______ . The fewer the injury .【C9】______ , the better the workman’s insurance rate.
    This may mean the difference between operating at【C10】______ or at a loss.
【C4】
选项 A、where
B、how
C、what
D、unless
答案A
解析 根据句子结构应选关系副词where。where引导的定语从句修饰climate，表示"在这样的气氛中"。
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