听一段对话,回答第11、12小题。
()11. How does Eric usually go to work?
A. By train. B. By car. C. By bike.
()12. How long does it take Eric to go to work in the rush hour?
A. 20 minutes. B. 40 minutes. C. 60 minutes.

听第一篇短文,回答第 13 至 15 小题。请根据短文内容,选择正确答案,完成信息记录表。

()13. A. Thirty B. Forty C. Fifty
()14. A. experts B. teachers C. grandparents
()15. A. alone B. with youth workers C. online