His latest research is at the of genetic science. A．maiden voyageB．cutting edg
题型：不详难度：来源：
His latest research is at the of genetic science. | A．maiden voyage | B．cutting edge | | C．focus group | D．daily basis |
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答案
| B |
解析
| 本题考查名词短语辨析。句意：他的最新研究处于基因科学的前沿位置。at the cutting edge of处在……最前沿的位置。 |
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