始发列车途经（）列检作业场闸瓦限度各局自定。
参考答案：长大坡道区间的
——_____was the Nanjing-Changjiang Bridge open to traffic?
——It was open to traffic in 1968.
A．What
B．What time
C．How long
D．When
股票的内在价值取决于股息收入和市场收益率。( )
