肛瘘常用的检查方法是
A．肛门局部望诊B．探针检查C．乙状结肠镜检查D．指诊检查E．肛门镜检查
参考答案：B
- When should I hand in my paper?
— Your paper must _ as soon as the bell_ .
A．hand in; rings
B．hand in; will ring
C．be handed in; will ring
D．be handed in: rings
请简述中国电信关于WLAN网络信号覆盖率的定义。
