电气设备在进行耐压试验前，应先测定绝缘电阻，测量绝缘电阻时，被试设备应与电源断开，测量用的导线应使用相应电压等级的绝缘导线，其端部应有（）。
参考答案：绝缘套
The nurse walks into the room of a client who has had surgery for testicular cancer. The client says that he’ll be undesirable to his wife, and he becomes tearful. He expresses that he’s spoiled a happy, satisfying sex life with his wife, and says that he thinks it might be best if he would just die. Based on these signs and symptoms, which nursing diagnosis would be most appropriate for planning purposes ？（）
A．Situational low self-esteem.
B．Unilateral neglect.
C．Social isolation.
D．Risk for loneliness.
细粒棘球绦虫对人体的感染阶段是（）
A.囊尾蚴
B.六钩蚴
C.虫卵
D.棘球蚴
E.成虫
