2019年公共英语四级阅读练习题（6）

　　Industrial safety does not just happen. Companies 41 low accident rates plan their safety programs, work hard to organize them, and continue working to keep them 42 and active. When the work is well done, a 43 of accident-free operations is established 44 time lost due to injuries is kept at a minimum.?

　　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 regulations. 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, safety 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]perse

　　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

　　46. [A]constituting [B]aggravating[C]observing [D]justifying

　　47. [A]Some [B]Many? [C]Even [D]Still

　　48. [A]comes off [B]turns up?[C]pays off [D]holds up

　　49. [A]claims [B]reports? [C]declarations [D]proclamations

　　50. [A]an advantage [B]a benefit [C]an interest [D]a profit

　　参考答案：DABAB CDCAD?