2. 外语
  3. The scientists have absolute freedom as to what research they think it best to ______.

The scientists have absolute freedom as to what research they think it best to ______.

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问题 The scientists have absolute freedom as to what research they think it best to ______.
选项 A、engage
B、chase
C、seek
D、pursue
答案D
解析 语义连贯题。所填词可用作及物动词，并可以和research搭配，[D]pursue“从事或忙于(某事)”，符合句意，所以[D]为答案。[A]engage常和in一起连用，表示“忙于或从事某事”；[B]chase“追求，追逐，追捕”着重于追赶者的迅速和决心，其动机不是很友善的，但也可能是出于好玩或取乐；[C]seek“追求，追寻”指寻找方向、地方、工作或人，和research不搭配。
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大学英语四级

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