【单选题】患者江某,女性, 68 岁,退休教师,因高血压住院治疗。入院后前3天与护士关系融洽。第4天,年轻护士小李为其进行静脉输液时,穿刺3次均失败,最后刘护士长穿刺才成功。患者对此非常不满,随即向护理部张主任投诉。从此,患者拒绝李护士为其注射。本次护患关系冲突的主要责任人是
【判断题】负温度系数热敏电阻(N正确C)其电阻值随温度的升高而减小
【单选题】确定转子轴向位置时要求每级叶轮出口与( )对中
【单选题】Our answer will be threatened by one natural disaster after another if we
【判断题】共射基本放大电路如图所示,已知 V CC = 12V , R B = 300KΩ , R C = 4KΩ , R L = 4KΩ , β = 50 。 忽略管压降 U BE , 则其 静态工作点 I B = 0.06mA 、 I C = 3mA 、 U CE = 4V。
【判断题】通信与传感、计算机技术紧密结合,成为整个社会的高级“神经中枢”。
【单选题】Choose the correct answer to replace the underlined words. Our answer will be threatened by one natural disaster after another if we don't act now.
【单选题】Our answer will be threatened by one natural disaster after another if we don't act now.