The discount rate is______.
A. a freely fluctuating rate of interest
B. a market-determined rate of interest
C. an administered rate of interest
D. none of the above
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55. Which of the following arrangement of the classroom can bring about the best
工作场所内备用照明的照度(工作面上)不宜低于该场所一般照明照度的10%。()
A. 正确
B. 错误