OE


On the one hand, the professor believes that all her students are "well-qualified academically." On the other hand, some students do poorly in the professor's class. So if they're doing poorly despite being qualified, she assumes that each of these students isn't trying hard. "Ineptness" and "incompetence" make for a really appealing pair here, as both could describe a student who is doing poorly in a class. However, this pair does not also account for the fact that the students are "wellqualified" and, therefore, can't be considered inept. "Laziness" and "sloth," which means laziness or a reluctance to work, both fill this blank nicely and are the correct answers. It's worth noticing the other pair here, "moral turpitude" and "amorality," both of which mean a lack of morals. While the students might be lazy, there is no evidence that their poor performance has anything to do with their morals.