简答题In ____, Chengyu Railway (Chengdu – Chonqing) was completed and put into use, and it was the first railway built since the founding of new China. A、 June of 1952 B、 June of 1953 C、 June of 1954 D、 June of 1955简答题On ____, China's first high speed railway, Beijing-Tianjin Intercity High Speed Railway was put into use, marking the beginning of the high speed era. A、 August 1st, 2006 B、 August 1st, 2007 C、 August 1st, 2008 D、 August 1st, 2009简答题____ is a mixed single- and double-track, railroad in China. A、Jing-Zhang Railway B、Chengyu Railway C、Wusong Railway D、Baocheng Railway简答题It had become the biggest passenger carrier, generating about ____ percent of the world's passenger traffic. A、 16 B、 26 C、 36 D、 46简答题By 2005, it was the second busiest freight carrier and carried nearly ____ percent of the world's freight traffic. A、 23 B、 33 C、 43 D、 53简答题A key railway development plan in China was the approval in ____ of a Medium- and Long-Term Railway Plan (MLTRP) covering freight and passenger network development to 2020. A、 2004 B、 2005 C、 2006 D、 2007简答题There are mainly ____ north-south and four east-west trunk lines, and some inter-city lines, greatly shortening the travel time within China. A、 three B、 four C、 five D、 six简答题By 1990, despite the network having increased to ____ kilometers. A、 38,000 B、 48,000 C、 58,000 D、 68,000简答题Unparalleled talents, efforts and attainments of ____ in China's early railway construction earned him the posthumous title "father of China's railroad". A、Zhan Tianyou B、Wang Xiong C、Zhang Yangming D、Wang Mengyun