as是比较级还是最高级

是同等比较级，中文意思是，和……一样

Whatever you are doing， do it as well as possible.无论你在做什么，尽可能地做好。

I am here with the aim of doing as well as possible.他说：“我来这儿的目的是尽可能做到最好。”

The children in her room are as good as gold.

这群孩子在她的房间里十分乖巧，老实。