11 Laser beams can be used to bore metals and other hard materials. 8 R( n5 ?3 s4 F' N
A trim
1 ~( a1 Z2 q: [5 SB melt$ a7 m. B- l6 C4 _& I
C drill. U0 d) M1 Q. Z( O* W
D slice4 R1 g& f# |9 N0 s
12 The cost of elections in the United States is borne by both the government and the private sector.
m! e' I$ k2 a+ Z* u- eA known
5 i$ l7 E4 x+ \0 w2 oB fought
+ p+ R5 Z- \: _5 XC exposed
* i1 c2 h3 y) Z9 h# \% OD assumed: Z/ p+ g2 |4 l9 u4 r. G4 j
13 Acknowledged as the main cause of hay fever the pollen of ragweed is very bothersome. 5 d) [( i& X5 l3 ?+ l
A intriguing- O6 R7 H$ K/ d1 B! z; U8 D
B annoying
8 H4 q! X a5 x. W) y; r, Y$ A& J* M& RC potent. `' g5 E% V' L6 ~, @% B$ p: {; ~
D significant0 s) ^7 L" l3 z) y9 I. Q6 g
14 They got in quite a brawl.
! h& G( Y u$ p9 k' h- Y+ Z \A snit8 k; v; \# O" r7 b8 P2 ~% x1 S w
B fight
: u0 d3 l% I% @1 H/ I7 gC bally# S7 }& |8 p' N
D littering3 ? [- Z$ [# v( E
15 By providing legal representation, the American Civil Liberties Union works to defend citizens against breaches of their civil rights. $ E8 S% E! Q1 ~4 k5 d# e" X: c- C( Z
A branches% e" V! n" I, b) g1 V& D; J
B exercises
2 N" R* }$ c h- _% p FC perusals$ y! W8 [/ W) E8 N
D violations- N" \ a# V3 [2 n; _+ `
参考答案, e8 N5 \, X* K8 M u
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发表于 2012-8-15 23:46:35
