四级高频近义词辨析

四级阅读和翻译中常考的近义词区别，精准掌握才能得高分。

一组：表示"获得"

单词	用法区别	例句
acquire	通过努力、学习或购买获得（知识、技能、财产）	She acquired a good knowledge of English.
obtain	通过正式途径或努力获得（较正式）	He obtained permission to leave early.
gain	获得（经验、优势、体重等）	I've gained valuable experience from this job.
achieve	通过努力达成（目标、成功）	He finally achieved his goal of passing CET-4.

真题考点：acquire language skills（习得语言技能）vs obtain a degree（获得学位）

单词	用法区别	例句
affect	v. 影响（通常负面的，也可中性）	The weather affected crop yields.
influence	v./n. 影响（潜移默化的、长期的）	Parents greatly influence children's behavior.
impact	n./v. 冲击、重大影响（力度更强）	The policy had a huge impact on the economy.
effect	n. 效果、影响（侧重结果）	The medicine had an immediate effect.

记忆口诀：affect = 动作（动词），effect = 结果（名词），influence = 软实力，impact = 硬冲击

单词	用法区别	例句
adequate	刚好够用（数量或质量上满足最低标准）	The food supply is adequate for three days.
sufficient	充分的、足够的（较正式，强调量够）	We have sufficient evidence to prove it.
enough	足够的（最常用，口语化）	I don't have enough time.

真题考点：adequate preparation（充分的准备）出现频率极高

单词	用法区别	例句
indicate	表明、暗示（通过迹象或数据）	The study indicates a growing trend.
demonstrate	证明、演示（通过证据或行动）	He demonstrated how the machine works.
suggest	暗示、表明（语气较委婉）	The evidence suggests that he is innocent.
reveal	揭示、透露（之前未知的信息）	The report revealed serious problems.

翻译常用：A recent survey indicates that...（最近一项调查表明……）

单词	用法区别	例句
opportunity	好的机会、机遇（积极含义）	CET-4 is a great opportunity to prove your English.
chance	机会（偶然性更强，也可表示可能性）	There's a good chance of rain tomorrow.
possibility	可能性（客观存在的概率）	We must consider all possibilities.

单词	用法区别	例句
consist of	由……组成（主动语态，不用于被动）	The team consists of 12 members.
be composed of	由……组成（被动语态 = 主动语态）	Water is composed of hydrogen and oxygen.
include	包括（部分列举）	The price includes tax.
contain	包含（内部含有）	This drink contains alcohol.

常见错误：The book is consisted of three parts. ❌ → The book consists of three parts. ✅

备考提示

近义词辨析是完形填空的核心考点，建议将每组近义词的例句背下来，在具体语境中体会差异。