He adds humbly that perhaps he was “superior to the common run of men in noticing thi

参考答案:

本句考查点是宾语从句，定语从句。主干是he adds …that… 其中宾语从句的结构是he was superior to …in…, and in…。which引导的是things的定语从句。　　参考译文：达尔文很谦虚的补充到，有些事情需要高度的注意力和细心的观察，也许他自己在观察此类事情时比一般人有优势。