第14题: [单项选择]Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. What are they doing A. Preparing a dinner. B. Chopping vegetables. C. Peeling vegetables. D. Washing vegetables. 参考答案:A 答案解析:[听力原文] 7-10 A: Hi. You said that you might need some help with preparing dinner. What would you l
第26题:[多选题]第 593 题, 本小题 1 分 下列属于钳形电流表使用错误的是(____)。 A. 使用的钳形电流表一定要经过相关的审计监督部门检测合格 B. 测量时,应戴绝缘手套,测试人员必须与带电物体保持零距离 C. 钳形电流表能测量裸导体的电流 D. 如果所测电流不是很大,可以在测量过程中切换钳形电流表的挡位 参考答案:ABCD