The disability makes everyday life difficult and ______ society should treat ______ disabled with

dignity and respect.[ ]

A. the; the      

B. 不填;  the      

C.  a; a        

D. the;不填

土壤电阻率大于1000～2000Ω·m，有避需线的线路杆塔的工频接地电阻是( )。

A．10Ω
B．15Ω
C．20Ω
D．25Ω