(Questionnaire on College Students' Mathematics Learning Background) 同学,你好!本问卷旨在了解你的数学学习背景,以便我们更好地开展教学工作。所有信息仅用于教学研究,请放心填写。(Hello, classmate! This questionnaire is designed to understand your background in mathematics learning so that we can carry out our teaching work better. All information will only be used for teaching research. Please fill it out with ease.)