多发性神经病的诊断依据是()
A.腱反射亢进
B.下运动神经元性瘫
C.末梢型感觉障碍
D.CT检查
E.自主神经障碍
参考答案:B, C, E
Circuit-switching technology is used in Publish Switched Telephone Network(PSTN), Global System for Mobile Communications(GSM) and code Division Multiple Access (CMDA) . It is a ( ) information transfer mode.
A. connection oriented
B. connectionless
C. high bandwidth utilization
D.poor real-time