题目

第三节完形填空(共20小题；每小题1.5分，满分30分) 阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 I teach economics at UNLV three times per week. Last Monday, at the beginning of class, I31asked my students how their weekend had been. One young man said that his weekend had not been so good. He had his wisdom teeth32. The young man then proceeded to ask me why I33seemed to be so cheerful. His question34me of something I’d read somewhere before:“Every morning when you get up, you have a choice ab五四运动取得初步胜利的最主要原因是 [    ] A.青年学生的先锋作用 B.工人阶级的主力军作用 C．马克思主义理论的指导 D．李大钊、陈独秀的指导作用