问题
判断题
防止电力电缆损坏事故,金属护层采取交叉互联方式时,应逐相进行导通测试,确保连接方式正确。金属护层对地绝缘电阻应试验合格,过电压限制元件在安装前应检测合格。
答案
参考答案:对
防止电力电缆损坏事故,金属护层采取交叉互联方式时,应逐相进行导通测试,确保连接方式正确。金属护层对地绝缘电阻应试验合格,过电压限制元件在安装前应检测合格。
参考答案:对
完形填空。 | ||||
Once a Frenchman 1 in England. He didn't know English very well. One day he went to the post office with a postcard. He bought a 2 . Then he gave the stamp and the postcard to the girl 3 the desk. "Oh, no," the girl said, "you must stick (贴) the stamp on yourself." He was very 4 . He couldn't believe his ears. "Why must I stick the stamp on 5 ?" he asked. "Oh," said the girl, "I mean that you must stick the stamp on the postcard. And you must do it yourself." | ||||
|