考研英语的战场上，词汇是决定胜负的基石。掌握科学的记忆法和真题语境，才能把单词真正刻在脑子里。今天，我们就来拆解一个考研高频核心词——beneficial ，看看它到底有哪些隐藏的考点?

考研英语高频词汇：beneficial 

单词：beneficial

音标：/ˌbenɪˈfɪʃl/

释义：a.（to）有利的，有益的

考频：★★★★★

记法：

词根拆解记忆：前缀bene-（表“好，善”）+ 词根fic（表“做，行事”，为fact的同源变体）+ 后缀-ial（形容词后缀，表属性）→ 做出正向结果的 → 有利的，有益的。也可结合同根词benefit（好处）联动记忆，二者语义高度关联。

派生词：

benefit (n. 益处，好处，福利；v. 有益于，受益)

beneficiary (n. 受益者，受益人)

beneficent (a. 慈善的，仁慈的，行善的)

搭配：

be beneficial to 对…有利/有益

mutually beneficial 互利的，互惠的

beneficial effect 有益效果，正向效应

economically beneficial 经济上有利的

考研真题例句：

Studies from the US and Australia have shown that children with access to green spaces are less likely to have behavioral problems, and that regular contact with nature is beneficial to their cognitive development.

美国和澳大利亚的研究表明，能接触到绿地的孩子出现行为问题的概率更低，定期接触自然对他们的认知发展有益。

It is profitable to run a digital service that is beneficial to users, as long as the business model is properly designed.

只要商业模式设计得当，运营一款对用户有益的数字服务是可以盈利的。

But the skills they learn — how to think logically through a problem and organize the results of an analysis — apply to many lists of jobs and are ultimately beneficial to the whole society.

但他们学到的技能——如何逻辑缜密地思考问题并整理分析结果——适用于众多岗位，最终对整个社会有益。

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