以下是针对大学英语四级作文的万能模板句型和必背句型整理，涵盖开头、中间、结尾及不同功能表达，结合多个权威资源综合整理，助你快速提升作文得分：
一、万能开头句型
1. 观点引入型
People's views on... vary from person to person. Some hold that..., while others believe that...
（人们对……的看法因人而异。有些人认为……，而另一些人则认为……）
With the development of science and technology, more and more people believe that...
（随着科技发展，越来越多人认为……）
There is an old saying that..., which reflects the wisdom of our ancestors.
（俗话说“……”，这体现了先辈的智慧）
2. 现象描述型
Recently, the phenomenon of... has aroused wide public concern.
（最近，……现象引起了广泛关注）
As the graph depicts, ...（如图表所示，……）
Nowadays, it is common to see/hear...（如今，……已变得普遍）
二、中间论证句型
1. 对比与转折
On the contrary, ...（相反，……）
However, it is a pity that...（然而遗憾的是……）
While it cannot be solved immediately, there are ways. The most popular is..., another method is...
（尽管无法立刻解决，但有多种方法。最常用的是……，另一种是……）
2. 因果与递进
What is more serious is that...（更严重的是……）
... is also responsible for the problem.（……也是导致问题的原因）
This leads to a vicious cycle where...（这导致了一个恶性循环：……）
3. 举例与事实
Take... for example, ...（以……为例）
A case in point is...（典型例证是……）
According to the statistics, ...（据统计，……）
三、万能结尾句型
1. 总结与建议
Taking all these factors into consideration, we naturally come to the conclusion that...
（综合考虑所有因素，我们自然得出结论……）
Only by... can we...（只有通过……，我们才能……）
It is advisable to...（建议……）
2. 展望与呼吁
I am confident that a bright future awaits us because...
（我坚信美好未来正等待我们，因为……）
If every member contributes to..., the society will become better.
（如果每个人为……贡献力量，社会将变得更好）
Let us work hand in hand to...（让我们携手努力……）
四、功能句型补充
1. 图表分析句式
The table shows/indicates that...（表格显示……）
It can be concluded from the data that...（从数据可推断……）
2. 谚语引用
As the proverb goes, "..."（正如谚语所说：“……”）
3. 高级替换词
用 essential 替代 important，contribute to 替代 help，significant 替代 big
五、模板应用示例
题目：是否应禁止一次性塑料制品？
开头：With the development of society, the excessive use of plastic products has become a pressing issue. People's views on banning single-use plastics vary. Some argue that it harms the environment, while others believe it is convenient.
中间：Take plastic bags for example, they take centuries to decompose, leading to soil pollution. What is more serious is that marine animals often mistake plastic waste for food.
结尾：Only by promoting biodegradable alternatives and raising public awareness can we effectively tackle this problem.
提示：
1. 避免机械堆砌模板，需根据题目灵活调整句型与词汇。
2. 多结合真题练习，熟悉不同题型（议论文、图表作文、书信）的结构差异。
3. 背诵时建议按“开头→论证→结尾”分类记忆，并尝试仿写。
