写在本上,拍照上传: 1. 选修课 2. 休闲,娱乐 3. 保持平衡 4. give rise to 5. be prepared to do sth 6. a range of 7. take action 8. stand out 9. take something seriously 10. refer to sb./ sth. as... 11. depressed 12. anxious 13. optimistic 14. social status 15. problem-solving skills 16. increase exponentially