综合类模拟试题：词汇选项
1 Laser beams can be used to bore metals and other hard materials.
A trim
B melt
C drill
D slice
2 The cost of elections in the United States is borne by both the government and the private sector.
A known
B fought
C exposed
D assumed
3 Acknowledged as the main cause of hay fever the pollen of ragweed is very bothersome.
A intriguing
B annoying
C potent
D significant
4 They got in quite a brawl.
A snit
B fight
C bally
D littering
5 By providing legal representation， the American Civil Liberties Union works to defend citizens against breaches of their civil rights.
A branches
B exercises
C perusals
D violations
参考答案：CDBBD