2. 外语
  3. Industrial 【21】______ does not just happen. Companies 【22】______ low accident rates plan their safety programs, work hard

Industrial 【21】______ does not just happen. Companies 【22】______ low accident rates plan their safety programs, work hard

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问题      Industrial  【21】______   does not just happen. Companies  【22】______   low accident rates plan their safety programs, work hard to organize them, and  【23】______   working to keep them  【24】______   and active. When the work is  【25】______   done, a  【26】______   of accident-free operations  【27】______   established  【28】______   time lost due to injuries is kept  【29】______   a minimum.
     Successful safety programs may   【30】______   greatly in the emphasis placed   【31】______    certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by  【32】______    rules or  【33】______   . 【34】______   others depend on an emotional appeal  【35】______   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  【36】______   . The  【37】______   the injury  【38】______   , the better the workman’s insurance rate. This may mean the difference  【39】______   operating at  【40】______   or at a loss.
【27】
选项 A、are
B、is
C、was
D、were
答案B
解析 根据语法。主语是regulation，谓语动词用单数，故可排除A 和D。判断时态，应当用过去时，所以应当选B 。
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