一、核心词汇解析
1. 词汇积累的重要性
在考研英语中,词汇是基础中的基础。掌握足够的词汇量,有助于提高阅读速度和理解能力,同时也能在写作和翻译部分得心应手。以下是一些考研英语第二单元的核心词汇:
1.1 词汇列表
- abandon:放弃,遗弃
- benefit:利益,好处
- challenge:挑战
- contribute:贡献,捐献
- decrease:减少
- evaluate:评估
- influence:影响
- increase:增加
- knowledge:知识
- objective:目标
1.2 词汇用法举例
- abandon:The company decided to abandon its outdated technology.
- benefit:Regular exercise can benefit both physical and mental health.
- challenge:The project presented a new challenge to the team.
- contribute:He contributed a lot to the success of the project.
- decrease:The number of students enrolled in the program has decreased.
- evaluate:The performance of the product was evaluated by experts.
- influence:The weather influenced our decision to cancel the trip.
- increase:The company plans to increase its workforce by 20% next year.
- knowledge:Widening one’s knowledge is an ongoing process.
- objective:The main objective of the research is to find a new treatment for the disease.
2. 词汇记忆方法
为了更好地记忆这些核心词汇,以下是一些有效的记忆方法:
- 词根词缀法:通过分析单词的词根、前缀和后缀,来推测其意义。
- 语境记忆法:将单词放在句子或段落中,理解其在具体语境下的含义。
- 卡片记忆法:制作单词卡片,正面写单词,背面写释义和例句。
二、语法解析
1. 句子结构
在考研英语中,掌握常见的句子结构对于提高阅读和写作能力至关重要。以下是一些常见的句子结构:
- 简单句:主语+谓语
- 并列句:由两个或多个简单句通过并列连词连接而成
- 复合句:包含主句和从句,从句可以为主语从句、宾语从句、表语从句或定语从句
2. 语法知识点
2.1 主谓一致
- 单数主语:谓语动词用单数形式
- 复数主语:谓语动词用复数形式
- 就近原则:主语和谓语动词在数上保持一致
2.2 定语从句
- 关系词:关系代词(who, which, that等)和关系副词(where, when, why等)
- 先行词:定语从句所修饰的名词或代词
2.3 非谓语动词
- 动词不定式:to + 动词原形
- 动名词:动词原形 + -ing
- 分词:现在分词(-ing)和过去分词(-ed)
3. 语法练习
为了巩固语法知识,以下是一些语法练习题:
The company decided to ________ its outdated technology. A. abandon B. benefit C. challenge D. contribute
Regular exercise can ________ both physical and mental health. A. decrease B. evaluate C. influence D. increase
The number of students enrolled in the program has ________. A. knowledge B. objective C. decreased D. evaluated
通过以上词汇和语法解析,相信你已经对考研英语第二单元有了更深入的了解。在接下来的复习过程中,结合实际练习,不断提高自己的英语水平。祝你考研成功!
