一、引出现象/问题类

1. Recently, the problem of... has become the focus of society.（最近……问题已成为社会关注焦点）

2. With the development of society, more and more problems are brought to our attention.（随着社会发展，更多问题引起关注）

3. This cartoon reveals a typical social phenomenon.（这幅漫画揭示了典型社会现象）

二、提出观点/建议类

1. There is no doubt that enough concern must be paid to the problem of...（毫无疑问，必须重视……问题）

2. If we want to do something about it, it is essential that...（若想解决它，关键在于……）

3. Obviously, we need to find a balance between...（显然，需在……之间找到平衡）

三、故事/类比引入类

1. I have a friend who... Should he...？（我有一个朋友……他应该……？）

2. Once upon a time, there lived a man who...（从前有个男人……）

3. Just like...（正如……）

四、数据/图表分析类

1. According to the statistics shown in the graph, we can see that...（根据图表数据，我们发现……）

2. The figures indicate that there is an inspiring tendency of...（数据表明……趋势）

3. Comparing the two graphs, we can conclude that...（对比两个图表，我们得出……）

五、转折/对比类

1. On one hand, ... On the other hand, ...（一方面……另一方面……）

2. However, people take different attitudes towards...（然而，人们对……态度各异）

3. What makes things worse is that...（更糟糕的是……）

这些万能开头句可根据具体作文主题灵活选用，建议结合图表、数据或社会现象进行搭配使用。写作时注意保持语句通顺，避免生硬翻译。