电气化区段长途电缆的屏蔽地线接地电阻应小于（）Ω。
A.10
B.5
C.4
D.2
参考答案：C
The man over there wants ___________.[ ]
A. two glass of milks
B. two glasses of milks
C. two glasses of milk
D. two glass of milk
小儿腹股沟疝发生嵌顿都应立即急诊手术复位。
