MPAcc英语备考：词汇自测习题及解析(4)

　　1.Because more and more cars are on the road , traffic laws are being ____ more carefully, especially in the big cities.

　　A) enforced B) operated C) performed D) exercised

　　答案：A enforce 使(法律等)生效，付诸实施，执行。operate 有效，起作用，用于主动语态。perform 履行，例如 ：perform one’s duty 履行某人的义务。

　　2.The republication of the poet's most recent works will certainly ____his national reputation.

　　A) magnify B) strengthen C) enlarge D) enhance

　　答案：D enhance 增加，加强(美、质量、价值等)。magnify 放大;夸大。strengthen 加强，加固;变得强健结实，加大。enlarge 放大，加大，扩大。enlarge on/upon sth. 详细地谈，进一步论述。

　　3.The Japanese scientists have found that scents _____ efficiency an reduce stress among office workers.

　　A) enhance B) amplify C) foster D)magnify

　　答案：A enhance 增加，加强(美、质量、价值等)。amplify 扩大，加大(音量、努力等) ;讲得更详细，解释，说明。foster 收养，照顾;培养，养成;引起，鼓励。magnify 放大;夸大。

　　4.We must ____ that the telegram will arrive in time.

　　A) insure B) secure C)assure D)ensure

　　答案：D ensure 意为“保证，担保”。insure 意为“给……保险，投保”。secure 意为“使安全，保卫”。assure 意为“向……保证，使确信"。

　　5.The hospitable host ____his guests with music and drink.

　　A) retained B) detained C) attained D) entertained

　　答案：D entertain 招待，款待。retain 保留。detain扣留。attain 达到，获得。