“医生”手语怎么表示() ["A、一手食、中、无名指按于另一手脉门处","B、一手拇、食指搭成“十”字形,置于前额。","C、双手五指撮合,指尖相对,在胸前摇动几下","D、双手平伸,掌心向上,在胸前交互转动"]
动感地带的品牌特性是:() ["时尚,新潮,另类","另类,冒险,时尚","时尚,好玩,控索","冒险,时尚,控索"]
根据现行《火灾自动报警系统设计规范》,民用建筑内设置在公共场所的消防广播扬声器,其每个扬声器额定功率不应小于()W ["2","3","1","2.5"]
根据现行《火灾自动报警系统设计规范》,客房内设置消防广播专用扬声器时,其功率不宜小于()W ["0.6","0.5","1.0","0.8"]
中国移动通信的手机用户必须激活()功能才能实现使用多方通话功能 ["呼叫等","呼叫转移","组群通话","呼叫限制"]
简述消遣型旅游者需求特点