高考英语作文中使用高级句型可以提升文章的质量和得分，以下列举一些常用的高级句型：

1、表示因果关系：这类句型常用于说明某种情况或事件产生的原因以及相应的结果。

As a result, ...Consequently, ...Therefore, ...Thus, ...Hence, ...Accordingly, ...For this/that reason, ...

2、表示递进关系：这类句型常用于在文章中表达更为详细的信息，自然衔接前后内容。

Moreover, ...Additionally, ...In addition, ...Furthermore, ...What’s more, ...Not only ..., but also ...Besides, ...On top of that, ...

3、表示转折关系：这类句型常用于在文章中批判或反驳某种观点、态度或论据，或者表示一个与之相反的观点。

However, ...Nevertheless, ...Nonetheless, ...On the contrary, ...In contrast, ...Despite (the fact that), ...Although/though, ...While, ...

4、表示强调：这类句型常用于在文章中强调某种含义或重点，用于让读者更明确地理解文章中的观点。

Indeed, ...Undoubtedly, ...Clearly, ...Obviously, ...It is worth noting that, ...It is important to emphasize that, ...What is more significant is that, ...The most noteworthy is that, ...

5、表示举例：这类句型常用于在文章中阐述某种观点或结论，用具体的例子来帮助读者更好地理解。

For example, ...Such as, ...Like, ...To illustrate, ...Take … for instance, ...

6、表示总结/归纳：这类句型常用于在文章结尾处进行总结或概括，突出文章的主旨和中心思想。

In conclusion, ...To sum up, ...In summary, ...All in all, ...Therefore, it can be concluded that, ...From what has been discussed above, we can draw the conclusion that, ...

以上句型只是一部分，如果在文章中能够恰当地使用这些高级句型，可以让文章更加流畅，语言更加精准，表达更为清晰，提高文章的质量和得分。