四级作文开头

提出问题或现象

Recently, the issue of environmental protection has been brought into public focus.

Nowadays, the use of social media has become a common occurrence in our daily life.

引用或名言

There is an old saying, "预防胜于治疗." It's the experience of our forefathers, however, it is correct in many cases even today.

As the graph depicts, the sales of online courses have increased significantly in the past year.

直接抛出观点

Now people in growing numbers are beginning to realize the importance of sustainable development.

Many people insist that climate change is the most serious issue facing the world today.

对比观点

People's views on the role of technology in education vary from person to person. Some hold that it is the key to modernizing education, while others believe it may lead to less face-to-face interaction.