写作：六级四十天突破—讲义与笔记（16）

Successful safety programs may   45    greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by   46    rules or regulation.   47    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, safe   48   . The fewer the injury   49   , the better the workman’s insurance rate. This may mean the difference between operating at   50    or at a loss.

41 . [A] at                                [B] in                                    [C] on                     [D] with

42 . [A] alive                          [B] vivid                                [C] mobile             [D] diverse

43. [A] regulation                 [B] climate                          [C] circumstance          [D] requirement

44. [A] where                       [B] how                                [C] what                 [D] unless

45. [A] alter                            [B] differ                              [C] shift                  [D] distinguish

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