第17题:[多选题]某220KV线路采用单重方式,当线路两侧装设( )的双套保护时,若在线路某侧的电流互感器和断路器之间发生A相瞬时性接地故障,则线路对侧的保护动作跳开后闭锁重合闸。 A.RCS901(高频通道) CSC101(高频通道) B. CSC101(高频通道) RCS931 C. PSL603 RCS931 D. RCS901(光纤通道) CSC103 E. . RCS901(高频通道) CSC101(光纤通道) 参考答案:BCD
第34题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. He had lost the tickets for the theater. B. He had lost his briefcase. C. He had left his briefcase at home. D. He had left the ticket in the office. 参考答案:A 答案解析: [听力原文] Why was Fred upset after he and his wife got to the theatre
第35题: [单项选择]显卡的显示存储器容量越来越大,目前有些已达到64MB或128MB,其主要原因是: A. 显示器的分辨率越来越高 B. 所显示的颜色数目越来越多 C. 所显示的三维真实感图形的质量越来越高 D. 显示器的刷新频率越来越高 参考答案:C 答案解析:显示存储器的容量与显示器分辨率和每个像素的位宽有关,所以现在显卡容 量越来越大的原因只可能是图像质量的提高。