简答题Who is the father of Chinese Railway? A、 Mao Yisheng. B、 Zhang Luxin. C、 Zhan Tianyou. D、 Qian Zhongshu.简答题How long did it actually take to build the Beijing Zhangjiakou Railway? A、 Six years. B、 Five years. C、 Four years. D、 Three years.简答题The following are major difficulties in building the Qinghai-Tibet railway, except ____. A、 fragile ecological environment B、 hypoxia C、 tundra D、 lack of personnel简答题The starting station of Beijing-Zhangjiakou Intercity railway is ____. A、 Beijingbei Railway Station B、 Beijingnan Railway Station C、 Beijingxi Railway Station D、 Beijingdong Railway Station简答题The Qinghuayuan Tunnel is as long as ____. A、 6km B、 9km C、 8km D、 7km简答题When was the Qiantang River bridge repaired and opened to traffic? A、 In 1934. B、 In 1937. C、 In 1948. D、 In 1987.简答题The average altitude of the Qinghai-Tibet Plateau is ____. A、4,500 B、5,000 C、3,500 D、3,000简答题The Qiantang River bridge was firstly opened in ____. A、 1945 B、 1937 C、 1949 D、 1919简答题Which is the first railway in Chinese history that did not use foreign funds and personnel and was designed, built and operated entirely by the Chinese themselves? A、 Beijing-Zhangjiakou Intercity railway. B、 Qinghai Tibet railway. C、 Angel railway. D、 Beijing Zhangjiakou Railway.