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.