一、写作基础词汇
描述现象：
describe, illustrate, depict, showcase
表达观点：
believe, argue, contend, assert
时间表达：
presently, currently, in the past few years
原因分析：
due to, because of, as a result of
二、连接词与过渡短语
表示顺序：
firstly, firstly, in the beginning
转折对比：
however, on the contrary, whereas
因果关系：
therefore, consequently, hence
条件假设：
provided that, in case of
三、实用句型结构
开头引入 - As is well known, [topic]
- It is widely acknowledged that [statement]
- Nowadays, [common phenomenon]
主体论述
- [Topic] leads to [result]
- [Fact] illustrates [point]
- [Example] demonstrates [concept]
结尾总结
- In conclusion, [summary]
- To sum up, [key point]
- In summary, [conclusion]
四、图表与数据呈现
描述图表
- The graph shows a clear upward trend
- According to the data presented
- The table indicates a significant difference
引用调查结果
- A recent survey reveals
- Studies show that
- The latest research indicates
五、高级表达技巧
强调句型
- It is [adjective] that [clause]
- [Action] is [adjective] to [effect]
倒装句型
- Never have I seen such a phenomenon
- Hardly can one deny
条件句型
- If [condition], then [result]
- Unless [condition], [consequence]
六、写作规范建议
段落结构： 每段1-2个主题句+支持句 语言规范
引用规范：正确标注数据来源
以上内容综合了大学英语作文的常见结构与表达方式，建议结合具体题目类型进行针对性练习。
