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In the past few decades, scientists have made a great in the treatment of cancer.A. breakout B. brea

编辑:chaxungu时间:2026-04-27 03:09:21分类:高中英语题库

【题目】In the past few decades, scientists have made a great ________ in the treatment of cancer.

A. breakout B. breakdown C. breakup D. breakthrough

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【答案】D

【解析】

考查动词短语辨析。

句意:过去几十年里,科学家在癌症的治疗方面取得了巨大的突破。A. 发生 B. 故障;崩溃 C. 解体,分手,放假 D. 突破。故选D。