A：　Margaret,do you think I should enroll in the science course?

B：　Yes ,I think so,If you want to graduated this year,you've got to take a science course.

A：　Right,I figure since you are doing premedical, you know about the very courses.

B：　Well,I have to take biology,chemistry,maps and physics.what you need is a good introductory course for non-science majors.

A：　Yes ,I really weak in maps ,I did poorly in high school.

B：　That's a problem.