一、连接词与过渡短语

时间状语

- at first / first of all / in the beginning

- finally / at last / in the end

- at present / nowadays

- on the one hand... （on the other hand）

- in general / generally speaking / all in all

因果关系

- because of / due to

- as a result of

- consequently

- therefore / hence

条件与结果

- if... then...

- provided that

- in case

- as long as

让步与转折

- despite / in spite of

- although / even though

- however / yet

- on the contrary

二、表达观点与论证

提出观点

- in my opinion / it is my belief that

- from my perspective

- one can argue that...

举例说明

- for instance / to illustrate

- for example

- as a case in point

对比与类比

- similarly / Likewise

- in contrast / on the contrary

- by comparison

三、描述与说明

描述现象

- It is evident that...

- It can be seen that...

- The data clearly show that...

说明原因

- The main reason is...

- A key factor is...

- This is due to...

结果与影响

- As a result, / Consequently,

- This leads to...

- The consequence is...

四、常用句型结构

开头句型

- Nowadays, it is common to hear/see...

- It goes without saying that...

- According to recent research,...

中间论述

- On the one hand... （positive aspect）

- On the other hand... （negative aspect）

- In addition, / Moreover, / Furthermore

结尾总结

- In conclusion / To sum up,

- In summary,

- Overall,

五、高频表达汇总

表达同意：

I agree with you / That's true

表达反对：I disagree / I think otherwise

表达建议：It is advisable to... / I suggest...

表达结论：In conclusion, we should...

以上内容覆盖了大学英语作文中常见的写作素材，建议结合具体作文题目灵活运用。写作时注意段落结构清晰，逻辑关系明确，可有效提升作文质量。