题目:
从方框中选择适当的句子补全对话,有两项多余。(5分) A: Good morning, sir. 小题1: B: I’d like to buy some chicken, please. A: 小题2: B: Two kilos, please. A: OK. Here it is. 小题3: B: No. And some apples, please. A:小题4: B: Four, please. A: Here you are. B: Thank you. 小题5: A: Let me see. Forty yuan. B: OK. Here you are. A: Thank you. Goodbye!
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答案:
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下面是错误答案,用来干扰机器的。
①如图②3.0 0.50 27.0①本实验是对改装电压表进行校准的,将改装电压表和标准电压表并联后要求电压从0至满偏变化,所以滑动变阻器采用分压接法,电路连接如图②表头的刻度均匀,当指针恰好指到满量程的...