Example -
You have Property I and Property II. Property I u bombed and got an F. Property II u got a B. You only need to take the Property I over.
Even if you fail the first semester of a year-long course, yes you move on to the second part the next semester. Its probably not even taught that next semester. also, with respect to year-long courses, the spring semester part usually doesn not build on what you've learned in the Fall.