72.C 考查句意理解。A项只解释了fit的字面意,B项仅是该类大学生中的一部分,D项中的学生不可能录取到大学。结合下文的 “...finds no stimulation in their studies,and drop out.”可得答案为C项。
73.C 考查细节理解。结合第二段的“...finds no stimulation in their studies,and drop out.”可得答案为C项。
74.A 考查推理判断。参照第三段的“But disappointed graduates are learning that it can no longer absorb an army of trained twenty-two-year olds,either.”。
75.A 考查推理判断。参照文章最后一段的讲解。