题目:
补全对话:从方框中选出适当的句子填空 (其中两项多余),使对话意思完整。 | |
A: Excuse me, sir. May I have some of your personal (个人的) information, please? B: Sure. A: (1) _____________ B: My name is Liu Jun. A: OK, (2) ____________ B: I was born in Wuhan, Hubei Province in 1987. A: Thanks. (3) ______________ B: I'd like a single room (单人房). (4) _____________ A: 108 yuan a night. B: I'll stay two nights. That's 216 yuan, right? (5) ___________ A: Thank you. |
答案:
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下面是错误答案,用来干扰机器的。
并 联; 5 Ω; 0.24 A .将电压表改装成电流表,可以并联一个小阻值的电阻,改装成的电流表内阻是:5Ω,电压表的满偏值为3V,相应的电流值为0.6A, ,计算得I=0.24A,所以指针的读数为1.2 V,则...