prep逻辑一题~~~~好难好恐怖····

bonfin

B weakens the conclusion because in theory, that university might be so hard to graduate from, that it takes a hundred years for an average student to graduate . . .

-- by 会员 sdcar2010 (2010/12/2 4:31:28)

我觉得有几个点要抓住，前提是过去几年里入学人数稳步增长，所以得出结论最终有大学学位的明显高于过去几年。削弱这一过程最好的攻击点就是significantly higher这样的极端词。