猜猜看！

随便

1)   When I'm used, I'm useless,         
/ p% c+ x$ t4 x4 q    once offered, soon rejected.         
    In desperation oft expressed,         
% K5 d8 x( P8 N( |    the intended not protected.                                    
    What am I?   
9 j9 S# a- p  m7 {9 D0 j
: y2 y' {) W7 B; x' W7 g) A2)  Half-way up the hill, I see you  at last
3 k/ O. p  P, W) Q: t    Lying beneath me with your sounds and sights -
    A city in the twilight, dim and vast,
    With smoking roofs, soft bells, and gleaming lights.   
% I0 s. _5 c# Q0 Y  j8 o
! M' \7 Y5 i1 w# x3)  Out of the eater came something to eat,
    And out of the strong came something sweet.   
. N( o4 a0 B7 z5 ~. K
9 Y5 I) Q& f) x  c2 J5 y# y2 j# H4)  I've little strength, but mighty powers;         
8 }) X& {5 X+ N0 Z6 `    I guard small hovels and great towers.         
    But if per chance my master leaves,         
" k; B. E  x( X1 A    He must ensure he safeguards me.                     
    What am I?

connie

UP!!!!!

随便

tell me your answer?