on表示在考試中，in表示在一場考試上。in the exam比on the exam具體。exam，主要用作名詞，用作名詞譯為“考試；測驗”。例句：What about your exam？你的考試情況如何？

in the exam例句

These kinds of questions often appear in the exam.

這幾類問題在考試中經(jīng)常出現(xiàn)。

In the exam there's sure to be a question on energy.

考試時準(zhǔn)有關(guān)于能量的題目。

Credit will be given in the exam for good spelling and grammar.

考試中拼寫和語法出色者將受到表揚。

on the exam例句

He confessed to cheating on the exam.

他承認(rèn)自己考試作弊。

Build yourself up to peak performance on the day of the exam.

好好準(zhǔn)備在考試那天發(fā)揮出最高水平。

A lot of people got a perfect score on the exam.

這次考試很多人都拿了滿分。