第14题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. Decide for himself what is best. B. Communicate his career hopes. C. Stop hindering his own progress. D. Look for another career. 参考答案:B 答案解析:[听力原文] M: I was wondering whether I should choose an IT major in computer science or in business.
第37题:[多选题]下列关于多能服务设备调试说法正确的是( )。 A. 配电柜送电前,检查柜内接线正确,各分支开关处于分闸状态,送电后测量电压正常,零线和接地线无电压 B. 单机测试前,检查设备处于完好状态,运转的设备运转部分周围没有妨碍物。设备启动时,严禁人员站在设备周围,设备运行正常后方可上前检查 C. 单机测试时,设备急停按钮或者配电柜前必须配备应急操作人员,一旦发现设备故障或其他不安全现象,应立即停止设备或电源 D. 无生产负荷的联合试运转及调试,应在设备单机试运转合格后进行 参考答案:ABCD