常考托福单词表之校园词汇：
Assumpttion: Dr. Peterson isn't an associate professor, is she?
Problem: If Dr. Peterson is an associate professor, I used the wrong title in my letter to her.
audit v. to attend a course without credit 旁听
Example: It usually costs as much to audit a course as to take it for credit.
Suggestion: You could audit the course if you don't need the credit.
Assumption: You mean you are auditing the course?
Problem: If I audit the course, I won't get credit for it.
bear n. a difficult class 难以对付的课程
Example: That computer science course was a bear.
Suggestion: I heard that Dr. Young's class is a real bear, so I would advise against it this semester.
Assumption: Your roommate thought this class was a bear?
Problem: Two of the classes I am in are real bears.
be behind v. to be late; to have a lot of work to do 迟到;课业负担重
Example: I am behind in my physics class.
Suggestion: You are behind in your psychology class so you should study.
Assumption: Bill is behind?
Problem: I can't go to the party because I am behind in my classes.
