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、devote
C、seek
D、pursue
答案D
解析 选项A“从事”后要跟有介词“in/upon/on”，例如：The work we are engaged on is a study of heat transfer。选项B“将…奉献给——”后要跟有介词“to”例如：They have devoted all their time to the sick。选项C“寻求，追求”(try to achieve or get something)例如：Do you think the President will seek reelection? seek r
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