The chairman of the company said that new techniques had______improved their production efficiency.

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问题 The chairman of the company said that new techniques had______improved their production efficiency.

选项 A、violently
B、severely
C、extremely
D、radically

答案D

解析公司总裁说，新技术使他们的生产效率有了根本性地提高。radically根本地；彻底的；完全的。violently猛烈地，激烈地；暴力地。severely严格地；严厉地；严重地。extremely极端；极其，非常。violently，severely，extremely与此句语境不搭。

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A类竞赛（研究生）

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