major minor type chip

例句：

1. 1. The student majoring in mathematics is preparing for the final exams.
   这个主修数学的学生正在准备期末考试。
2. 2. He has a major in computer science and minor in economics.
   他主修计算机科学，辅修经济学。
3. 3. In the university, there are many students majoring in engineering.
   大学里有许多主修工程的学生。
4. 1. She is a minor in English literature.
   她主修英语文学。
5. 2.The school offers a variety of minor courses to help students develop their interests.
   学校提供各种次要课程，帮助学生发展兴趣。
6. 3.There are several minor departments within the university.
   大学内有好几个次要部门。
7. 1. Different types of fruits have different nutritional values.
   不同种类的水果有不同的营养价值。
8. 2. The company offers various types of products.
   该公司提供各种产品。
9. 3. The new model comes in three different types.
   新款有三个不同的型号。