They areoften more industrious, useful citizens than those who are never late. The over-punctual can be as much a trial to others as the unpunctual. The guest who arriveshalf an hour too soon is the greatest nuisance.

　　10.They are often more industrious, useful citizens than those who are never late.

　　他们与那些从不迟到的人相比，常常是更勤奋有用的公民。

　　语言点 句子结构分析:who are never late是定语从句。

　　11.The over-punctual can be as much a trial to others as the unpunctual.

　　早到的人同迟到的人一样令人讨厌。

　　语言点 句子结构分析：as...as引导比较状语。

　　12.The guest who arrives half an hour too soon is the greatest nuisance.

　　客人提前半小时到达是令人讨厌的。

　　语言点1 句子结构分析：who引导定语从句。

　　语言点2 the greatest nuisance中用greatest强调“相当(令人讨厌)”。