2. 外语
  3. Mainstream economists profess much puzzlement over the failure of the rate of productivity growth to______ so far in this decade

Mainstream economists profess much puzzlement over the failure of the rate of productivity growth to______ so far in this decade

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问题 Mainstream economists profess much puzzlement over the failure of the rate of productivity growth to______ so far in this decade.
选项 A、accelerate
B、prevail
C、aggregate
D、precede
答案A
解析 语义连贯题。题干谈论的是经济学家对生产率增长失败的困惑，空格前面的productivity growth(生产率增长)提示所填的词是促进或者延缓了增长。[A]“加速，加快”[B]“流行，盛行”[C]“聚集，总计”；[D]领先，在…之前”。根据题干，经济学家对生产率增长的失败感到困惑，[A]符合题意。
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大学英语六级

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