[解析]
(1)C.推理判断题.句意:这是你在大学学习的专业领域.根据上文What is a major?可知,什么是专业?故选C.
(2)F.推理判断题.句意:但许多未来的医生主修非科学相关领域.根据上文If you intend to earn a professional degree after college,you will probably need certain courses.可知,如果您打算在大学毕业后获得专业学位,您可能需要某些课程.故选F.
(3)E.推理判断题.句意:有些学校可能会给你一年或一年以上的时间来决定.根据下文Others require that you declare upon a major by the time that you set foot inside your first class.可知,其他人则要求您在进入学校时申请专业.故选E.
(4)A.推理判断题.句意:我可以改变主意吗?根据下文 Definitely.One of the most exciting aspects of college life is that it introduces you to new subjects and arouses new passions.可知,当然.大学生活中最激动人心的一个方面是它向你介绍新的主题并唤起新的激情.故选A.
(5)G.推理判断题.句意:唯一的区别是它不需要那么多的课程.根据上文A minor is similar to a major in that it's an area of academic concentration.可知,辅修类似于专业,因为它是学术专注的领域.故选G.