2009年冬天*型H1N1在全世界漫廷,患者人數和死亡人數不斷上升，為針對*型H1N1在*的漫廷，我國生產...

問題詳情：

 2009年冬天*型H1N1在全世界漫廷,患者人數和死亡人數不斷上升，為針對*型H1N1在*的漫廷，我國生產出了世界上第一支疫苗，並加強醫院的救治工作。如圖所示是改造後的醫院病房和護士值班室的示意圖，病人需要護理時，只要按牀邊的接鈕開關能及時通知護士：1號牀的病人按下開關S1，護士值班室的燈L1亮，2號牀的病人按下開關S2，護士值班室的燈亮L2，下列電路符合要求的是：                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

【回答】

A

知識點：電流和電路單元測試

題型：選擇題