四级作文模板：
第一段：引入
开门见山，明确观点，引出话题
第二段：论证
列举原因和举例，阐明观点，逐步深入分析问题
第三段：反驳
分析问题的另一方面，提出可能存在的反例，逐一反驳
第四段：结论
总结全文，强调观点，给出建议或提出解决方案
范例：
Recently, the topic of whether college students should live on campus has become a hot issue. Some people argue that living off campus is more convenient and cheaper, while others believe that living on campus is a better choice. In my opinion, college students should choose to live on campus.
Firstly, living on campus can provide students with a better study environment. Students who live on campus are more likely to be concentrated and focused on their studies. In addition, living on campus allows students to have easier access to school resources such as libraries, study groups, and academic support centers.
Secondly, living on campus can offer more opportunities for social activities. Students who live on campus are more likely to participate in extracurricular activities and interact with other students, which can help them develop their social skills and make new friends.
However, some people argue that living off campus is cheaper and more convenient. They believe that off-campus housing is often less expensive than on-campus housing and that students can save money by living off campus. But in fact, living on campus can be more cost-effective when you consider the cost of transportation, rent, and other expenses associated with living off campus.
In conclusion, living on campus is the better choice for college students. It provides a better study environment, more opportunities for social activities, and can be more cost-effective in the long run. Therefore, I would strongly recommend that college students choose to live on campus.
