2. 外语
  3. Last year, the crime rate in Chicago has sharply______.

Last year, the crime rate in Chicago has sharply______.

admin2012-02-18  20
问题 Last year, the crime rate in Chicago has sharply______.
选项 A、declined
B、lessened
C、descended
D、slipped
答案A
解析 decline意为“下降，减少”，如：Domestic production,of oil will continue to decline．(国内石油生产将继续下降。)与rate连用表示比率下降。lessen意为“缩小，减少”，不能与rate连用。descend意为“位置下降”，如：He descended into a cellar．(他走下地窖。)slip意为“滑倒”，如：She slipped on，the wet stones and fell．(她在潮湿的石头上滑了一下跌倒了。)
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