考研英语中必选的单词涵盖了词汇广度、频率和重要性。以下是一些必选的关键词汇类别：
1. 基础词汇：如ability, advantage, attitude, balance, barrier, change, compare, develop, effect, example, future, impact, increase, information, issue, justice, knowledge, law, learning, manage, nature, opinion, opportunity, problem, progress, question, reason, result, rule, science, solution, technology, thought, tradition, understanding, value, vision, waste, world等。
2. 高频动词：如achieve, adapt, analyze, apply, approach, argue, assess, base, benefit, build, challenge, clarify, compare, concentrate, consider, confront, conduct, conclude, confine, conform, confront, connect, consider, conclude等。
3. 介词和短语：如about, above, along with, as well as, because of, beyond, but, by, for, in addition to, in terms of, in contrast, in order to, instead of, rather than, since, so that, such as, under, unlike, upon, versus等。
4. 高频形容词：如beneficial, continuous, critical, difficult, effective, efficient, essential, flexible, frequent, important, key, limited, modern, necessary, potential, practical, similar, significant, simple, specific, stable, successful, varied, vital等。
5. 高频名词：如achievement, analysis, approach, aspect, behavior, challenge, concept, conclusion, context, culture, decision, development, difficulty, effect, evidence, factor, group, idea, impact, importance, information, issue, method, opinion, outcome, problem, question, reality, reason, research, risk, situation, solution, study, technique, understanding, variable等。
掌握这些词汇对于提高考研英语水平至关重要。为了巩固这些词汇，推荐使用微信小程序：【考研刷题通】，它包含丰富的政治、英语、数学等考研科目的刷题练习，助你轻松掌握考研必备词汇。微信小程序：【考研刷题通】，你的考研复习好帮手！