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    11．2009年冬天甲型H1N1在全世界漫廷,患者人数和死亡人数不断上升.为针对甲型H1N1在中国的漫廷.我国生产出了世界上第一支疫苗.并加强医院的救治工作.如图所示是改造后的医院病房和护士值班室的示意图.病人需要护理时.只要按床边的接钮开关能及时通知护士:1号床的病人按下开关S1.护士值班室的灯L1亮.2号床的病人按下开关S2.护士值班室的灯亮L2.下列电路符合要求的是( ) 【查看更多】

     

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    2009年冬天甲型H1N1在全世界漫廷,患者人数和死亡人数不断上升，为针对甲型H1N1在中国的漫廷，我国生产出了世界上第一支疫苗，并加强医院的救治工作。如图所示是改造后的医院病房和护士值班室的示意图，病人需要护理时，只要按床边的接钮开关能及时通知护士：1号床的病人按下开关S1，护士值班室的灯L1亮，2号床的病人按下开关S2，护士值班室的灯亮L2，下列电路符合要求的是（  ）                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

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