- 中國文化閱讀：3500單詞話中國
- 黃建濱 馬繼敏
- 31字
- 2020-02-21 18:21:13
Exercise Two
Directions:Answer the following questions.
1.How long is the Fenghuoshan Tunnel?
2.Where is the Tanggula Railway Station located?
3.What are some technical difficulties in the construction of the Qinghai-Tibet Railway?
