So far, construction work for the high-speed railway line linking Beijing and Zhangjiakou     1    (complete).It is reported that the railway line can reach a top speed of up to 217mph(350km/h),which will be put into    2    (operate)by the end of the year.

The new line,    3    (build)in preparation for the     4    (twenty-four)Winter Olympic Games in Beijing, has just entered service, reducing journey time between the capital and Zhangjiakou, which will stage most of the skiing events, from three hours to 47 minutes.

Zhangjiakou,    5    the north of Hebei province, will host snowboarding, freestyle skiing and ski jumping at the Games. Another major Olympic host on the new line is Yanqing,    6    skiing and luge（单雪橇）events will take place. Skating, ice-hockey and freestyle skiing will be held in the capital.

The trains will start and stop at stations automatically（自动地）to a precise timetable, and change speed     7    (depend)on limits between stations. However, a monitoring driver will still be on board in case of emergencies.

Large storage     8    (area)have been designed in the trains for athletes’ winter sports equipment. The carriages are equipped with 5G signals, intelligent lighting and     9    variety of real-time safety sensors（传感器）.This will     10    (great)satisfy passengers’ need.