不能用数字万用表和参比电极测试管道阴极保护参数的是（）
A.管道自然电位
B.管内保护电流
C.绝缘接头绝缘性能
D.管道保护电位
参考答案：C
芽孢与细菌有关的特性是
A．抗吞噬B．产生毒素C．耐热D．粘附于感染部位E．侵袭力
The nurse is caring for a client who exhibits signs of somatization. Which of the following statements is most relevant
A．Clients with somatization are cognitively impaired.
B．Anxiety rarely coexists with somatization.
C．Somatization exists when medical evidence supports the symptoms.
D．Clients with somatization often have lengthy medical records.
