问题
多项选择题
集中器在线但只抄总表,最有可能的原因是()。
A.集中器某两相电源未接
B.采集器RS485线接错或集中器上行模块故障
C.集中器载波模块故障或集中器死机
D.集中器载波芯片与采集器(或载波表)载波芯片不匹配
答案
参考答案:A, C, D
集中器在线但只抄总表,最有可能的原因是()。
A.集中器某两相电源未接
B.采集器RS485线接错或集中器上行模块故障
C.集中器载波模块故障或集中器死机
D.集中器载波芯片与采集器(或载波表)载波芯片不匹配
参考答案:A, C, D
根据对话内容选择适当的选项完成对话。 | |
A: Hello! Pizza House! What can I do for you? B: 1________ A: Sure. B: I'd like one large pizza with mushrooms and cheese. And one medium pizza. A: 2_________ B: Beef and onions. A: OK. 3_________ B: Yes, please. One large apple juice and one small orange juice. A: Okay …Anything else? B: Oh,yes. I'd like a salad. A: OK. 4_________ B: 34 Bonham Road. A: 5_________ B: 1384 - 2345. A: 1384 - 2345, OK. It's eighteen dollars. And we'Il deliver (递送) your pizzas in about thirty minutes.
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