Top students in the ninth and tenth grades can attend single-sex classes for math,science,English and social studies.

VOA: special.2010.12.02

so I'll need to do math and science classes for the rest of my college career.

所以我必须在我余下的学生阶段完成数学和自然科学的课程。

伯克利的课程计划 - SpeakingMax英语口语达人

Well, definitely the science classes, the math classes. So, I'm in... taking the maths series,

肯定是自然科学和数学。那么我现在正在学数学，

斯坦福的新生 - SpeakingMax英语口语达人