1 Laser beams can be used to bore metals and other hard materials. + {1 y0 @3 N; E" @) F F# p A trim B melt C drill D slice 5 s' S3 n |: ] F2 The cost of elections in the United States is borne by both the government and the private sector.2 z0 Z) U- F# U! D3 M1 r# f
A known B fought C exposed D assumed7 }9 z6 A- E* ?" F1 }
3 Acknowledged as the main cause of hay fever the pollen of ragweed is very bothersome. 9 ~! K4 u3 v' m* v* N: B9 ^ A intriguing B annoying C potent D significant& D- k- E. _( O
4 They got in quite a brawl. ) `# |4 W$ @/ @) ~3 V A snit B fight C bally D littering 8 ~4 K5 j% m3 \- X5 By providing legal representation,the American Civil Liberties Union works to defend citizens 2 n& ]. R' e& x" ]- b6 ]
against breaches of their civil rights. 9 X4 I" V5 [7 W; O; o0 B) e A branches B exercises C perusals D violations, \3 z% t* p) Q4 H# X" H! ]6 G( S
1.C2.D3.B4.B5.D