四级作文开头和结尾模板通用

四级作文开头和结尾模板通用开头模板：
Nowadays, with the rapid development of society, the issue of ... has become a hot topic. It is widely believed that this phenomenon has aroused wide public concern. There are many reasons for this tendency, and the following are the most conspicuous ones.
结尾模板：
In conclusion, it is high time that we took some effective measures to solve the problem. Only in this way can we live in a harmonious and comfortable environment. As a popular saying goes, "Where there is a will, there is a way." I am sure that through our efforts, this problem will be successfully solved.
文章内容：
Nowadays, with the rapid development of society, the issue of environmental pollution has become a hot topic. It is widely believed that this phenomenon has aroused wide public concern. There are many reasons for this tendency, and the following are the most conspicuous ones.
First and foremost, the rapid industrialization and urbanization have led to the emission of a large amount of pollutants into the air and water. Factories and vehicles discharge harmful gases and chemicals, which not only pollute the air we breathe but also contaminate the water we drink. In addition, the excessive use of plastic products and the improper disposal of waste have also contributed to the worsening of environmental pollution.
In conclusion, it is high time that we took some effective measures to solve the problem. Only in this way can we live in a harmonious and comfortable environment. As a popular saying goes, "Where there is a will, there is a way." I am sure that through our efforts, this problem will be successfully solved.
以上为内容示例，仅供参考。