在这个信息爆炸的时代，英语四级考试成为了许多大学生必备的技能之一。而词汇量的积累是备考四级的关键。为了帮助大家轻松掌握四级词汇，我们特推出“每日一练，填空题挑战”活动。下面，就让我们一起来挑战一下吧！
第一天：词汇积累
单词：diligent
释义：勤奋的，用功的
例句：He is a diligent student who always finishes his homework on time.
填空题：She is known for her __________ work ethic.
第二天：词汇运用
单词：exceed
释义：超过，超出
例句：The sales of the new product have exceeded our expectations.
填空题：The cost of the project __________ the budget we allocated.
第三天：词汇深化
单词：persevere
释义：坚持不懈，持之以恒
例句：Despite facing many challenges, she persevered and achieved her goal.
填空题：He __________ in his studies, even when he was struggling with the subject.
第四天：词汇拓展
单词：frustrate
释义：使沮丧，使恼火
例句：The long queue at the supermarket frustrated me.
填空题：The slow internet connection __________ me while I was trying to work.
第五天：词汇总结
通过这五天的词汇挑战，相信大家对四级词汇有了更深入的了解。为了巩固所学，请完成以下填空题：
- He is a __________ worker who always does his best.
- The movie was so boring that it __________ me.
- She __________ in her studies, even when she faced difficulties.
- The __________ of the project was higher than we expected.
- The teacher __________ us by giving us a difficult test.
希望这个“每日一练，填空题挑战”活动能帮助大家轻松掌握四级词汇，为即将到来的四级考试做好准备！加油！