10.31

1. It is crucial to manage your time effectively in college. 在大学里，有效管理时间至关重要。 2. He is absorbed in preparing for his final exams. 他正全神贯注地准备期末考试。 3. The professor emphasized the importance of critical thinking. 教授强调了批判性思维的重要性。 4. I'm going to sign up for an optional course on psychology. 我打算报名参加一门心理学的选修课。