I 语言知识及应用（共两节，满分45分）
第一节 完形填空（共15小题；每小题2分，满分30分）
阅读下面短文，掌握其大意，然后从1~15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
More and more students are occupying themselves with part-time jobs nowadays. Students working part time usually adopt a ___1___ attitude towards this extracurricular social experience and benefit a lot from it. Apart from making some money to ___2___ themselves, they can learn a great deal which cannot be ___3___ learned from textbooks.
