Ways to protect your identity include
A. freezing your credit record.
B. accepting pre-approved credit offers.
C. shredding certain letters and documents.
According to the author, profits also make it hard to distinguish between various management ideas because ______
A. business prospects are changing fast
B. all business ideas have proved all right
C. economy has grown steadily in the past seven years
D. there exist great competitions in markets
车间内对机器进行合理的安全布局，可以使事故明显减少。布局时要考虑的因素不包括()。
A. 空间
B. 车间内颜色
C. 照明
D. 管、线布置
在生产过程中，强光或有害光会造成对眼的伤害，眼睛能承受的可见光的最大亮度值约为()。
A. 106 cd/m2
B. 105 cd/m2
C. 107 cd/m2
D. 108 cd/m2
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