第14题:[单选题]第 140 题, 本小题 1 分 某淡水鱼研究所,10千伏受电,变压器容量为250千伏安,某月电量电费是10000元,COSΦ=0.75。请查功率因数调整电费表计算该用户的功率因数调整电费是()元。(忽略价外基金及附加) A. 400 B. 420 C. 460 D. 500 参考答案:D
第18题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. All the passengers were killed. B. The plane crashed in the night. C. No more survivors have been found. D. It’s too late to search for survivors. 参考答案:G