问题
判断题
在电能表刚开始通电和通电到达热稳定状态的这段时间内，电能表误差的变化叫作电能表的自热特性。
答案
参考答案：对
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在电能表刚开始通电和通电到达热稳定状态的这段时间内，电能表误差的变化叫作电能表的自热特性。
参考答案：对
| 补全对话。 根据对话内容，从对话后的选项中选出最佳选项，选项中有两项为多余选项。 | |
| J: What time did you come home last night, Jane? K: 1._____ J: At midnight? I didn't hear you. K: Well, 2. _____ I didn't want to wake you up. J: You didn't go to the wild party, did you? K: Wild party? 3._____ I went to a folk concert with Alice and Merry. J: 4._____ The concert didn't end until midnight, did it? K: No, but after the concert we went to Alice's place. 5._____ Her father is fighting local elections next week, you know. | |
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