Scientists have made a major in cancer research. A. break-inB. breakthrough C. breakupD.

发布时间:2020-08-17 13:38:13

Scientists have made a major      in cancer research.
A. break-in
B. breakthrough
C. breakup
D. breakdown

网友回答

A. break-in
B. breakthrough
C. breakup
D. breakdown
解析:句意为“科学家们在癌症研究方面取得了一次重大突破。”。 make a breakthrough表示“取得突破”,为固定搭配。
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