猜猜看！

随便

1)   When I'm used, I'm useless,         
" a6 H' G+ Z* ]4 L1 m7 [    once offered, soon rejected.         
" B  s, O  ]. S) M( A1 h& r) f    In desperation oft expressed,         
3 s" }4 P) e2 e" ^    the intended not protected.                                    
    What am I?   

2)  Half-way up the hill, I see you  at last
$ n: R7 R" N7 u$ A0 z3 Q8 b1 u+ M1 a    Lying beneath me with your sounds and sights -
8 a: M+ ]. q6 l    A city in the twilight, dim and vast,
, i1 w2 F0 X+ h    With smoking roofs, soft bells, and gleaming lights.   

3)  Out of the eater came something to eat,
) n) ^) \* K+ ?+ f0 _    And out of the strong came something sweet.   

! X$ v# L& q1 y5 e/ p5 E0 u6 O4)  I've little strength, but mighty powers;         
9 o7 v  T' {* E" [* {$ Z    I guard small hovels and great towers.         
    But if per chance my master leaves,         
    He must ensure he safeguards me.                     
( z( T: I3 c! S4 ~    What am I?

connie

UP!!!!!

随便

tell me your answer?