在高中英语作文中，使用一些万能句子可以让你的文章更有条理和说服力。以下是一些建议：
1. 开头万能句：
- As the saying goes, "No pain, no gain."
- It goes without saying that...
- It's commonly believed that...
- Generally speaking, ...
2. 观点表达万能句：
- I firmly believe that...
- I'm of the opinion that...
- In my opinion, ...
- From my perspective, ...
3. 举例万能句：
- For instance, ...
- For example, ...
- Take ... for instance/example, ...
- Suppose ..., then ...
4. 结果万能句：
- Consequently, ...
- Therefore, ...
- As a result, ...
- Otherwise, ...
5. 条件万能句：
- If ..., then ...
- Provided that ..., ...
- On condition that ..., ...
- Only if ..., ...
6. 转折万能句：
- However, ...
- On the contrary, ...
- In contrast, ...
- Although/ Though ..., ...
7. 结尾万能句：
- In conclusion, ...
- To sum up, ...
- In summary, ...
- In short, ...
这些万能句子可以根据你的作文主题进行选择和调整。在写作过程中，适当使用这些句子可以让你的文章更有逻辑性和条理性，从而提高作文分数。