第7题: [单项选择]What does the woman think of the swimming lessons A. He’s afraid to work at night. B. He’s afraid the work will be really hard. C. He doesn’t want to work tomorrow night. D. He can’t find the way to get rid of the work. 参考答案:C 答案解析:[听力原文] W: Do you really have to work tomorrow night M: I’m afraid so. I wish there were some
第33题:[多选题] 用电压电流表法测量电容器电容量下列说法正确的是() A. 根据被试设备电容量要选择合适的接线 B. 拆除待试电容器所有接线和外熔断器 C. 根据待试电容器的电容量和测试电压估算测试电流,选择电流表和电压表的档位 D. 读取记录试验电压、电流值后立即将调压器降到零位,切断电源 参考答案:ABCD