障碍率测试指标应对（）有效。
A.本局呼叫
B.局间环测
C.长途呼叫
D.特服呼叫
参考答案：A, B, C, D
关于伤寒，下列哪项是错误的（）
A.体温呈阶梯状上升
B.常无明显畏寒寒战
C.成人患者大多数出现腹泻
D.相对缓脉
E.神经精神症状
The computer revolution may well change society as ______ as did the Industrial Revolution.
A．certainly B．insignificantlyC．fundamentally D．comparatively
