开头句型
描述图表或漫画
As the graph depicts, [具体信息]。
From the cartoon/picture, we can see that [具体信息]。
According to the statistics shown in the first/second graph, [具体信息]。
提出论题或现象
Recently, [话题] has become the focus of the society.
[话题] has been playing an increasingly important role in our day-to-day life.
Nowadays there is a growing concern for [话题].
比较和阐述不同观点
Some people like/prefer [观点A], while others are/feel inclined to [观点B].
There are different opinions among people as to [话题]. Some believe [观点A], while others hold [观点B].
结尾句型
结论总结型
In conclusion, the findings of our study illustrate that [结论].
Thus, it's evident that the strategies outlined above hold the key to [解决方案].
引发思考型
As we move forward, the implications of this discovery call for further exploration.
Future research could delve deeper into [话题].
呼吁行动型
It is high time that we addressed [问题].
Adopting these practices would not only [好处1] but also [好处2].
过渡句型
转折过渡
However, just as every coin has two sides, [话题A] has its disadvantages.
Although computers bring people a lot of convenience, they have many disadvantages.
因果过渡
The reason for this is that [原因].
As a result, [结果].
举例句型
具体举例
For example, [具体例子1].
In addition, [具体例子2].
引用权威
As far as my knowledge is concerned, [引用内容].
According to [权威来源], [引用内容].
这些句型可以帮助你在四级作文中更好地组织思路，使文章结构清晰，表达流畅。希望这些建议对你有所帮助!
