【简答题】换算下列单位:1kV= V;1mV= V;1mA= A;1kΩ= Ω;1kW= W;1mW= W;1度电= kW·H。
【单选题】补全对话(共 5 题,每小题2 分,共10 分) 用所给的 A、B、C、D、E 五个句子完成以下对话。 A . What are you doing now ? B. There is a hospital on the corner. C. We can play chess together. D. My home is opposite the hospital. E. Where do y...
【简答题】卷二:等级性考试 一、 补全对话(共5 题,每小题2 分,共10 分) 用所给的A、B、C、D、E 五个句子完成以下对话。 A . What are you doing now ? B. There is a hospital on the corner. C. We can play chess together. D. My home is opposite the hospital. E. ...
【简答题】阅读对话,判断正(T)误(F)。 It's sunny today. The sky is blue. Lily and Mike are in the park now. Lily: Oh, it's beautiful! I want to take a picture here. May I have your camera? Mike: Sure. May I take your pict...
【多选题】二进制基带传输系统中影响系统性能的主要因素有哪些?