Directions: Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.[音频]1.A) Whether studying for their degree is necessary. B) Whether they should work while studying at college. C) Whether they should study hard only for their degree. D) Whether work experience can help them get a job later.2.A) Many of them had lower stress. B) Many of them had decreased efficiency. C) Many students had worse grades if working less than 15 hours a week. D) Many students had better grades if working less than 15 hours a week.3.A) Working will make students graduate earlier. B) Working will certainly cause a delay in students’ graduation. C) Working doesn’t necessarily affect students’ graduation. D) Working doesn’t affect graduation even if students work full-time.4.A) Don’t have on-campus jobs. B) Don’t work more than 20 hours a week. C) Don’t take many courses each semester. D) Don’t consider working while in college.