雙語例句：

　　Some of us are ready to give up when there is a hard example in math class.

　　我們當中有一些人，一遇到數(shù)學難題就輕易放棄。

　　I cheated on a unit test in math class this morning during second period with Mr.

　　今天早上第二節(jié)，布克先生的數(shù)學課上，我在單元測驗中作了弊。

　　When a student failed to solve a math problem in class, he expressed his regret to his teacher.

　　一名沒學生在班上沒有做出老師的數(shù)學題，他感到很遺憾，對老師解釋說。

　　We are having a maths lesson in the classroom.

　　我們正在教室里上數(shù)學課。

　　Are you having a Maths lesson? No, we aren't.We're having an English lesson.

　　你們正在上一節(jié)數(shù)學課嗎？不。我們在上英語課。