Question

谁能帮我做一下这道英语题

Beijing-shanghai railway was completed in 1968.the line r______ 1,462km between Chain's two mean cities and passes through five provinces and the city of Tianjin.
Since opening,it has been one of the b______ routes in our country.the Beijing-shanghai route is noe served by 10 t_____ a day,five of which are non-stop.the journey time is just under 12 hours.Now trains are a______ to travel at 250kph and the journey time is only 10 hours.
With the sixth railway speed up,Chain has joined the ranks of c______ with high-speed rail servises.Train are able to run at s______ of 200kph on some 6,003km of track,and on some sections,the highest speed c_______ increase to 250 kph.the 6,003km of the track serves b______ high-speed passenger trains and low-speed cargo train.
Railway operators have to deal with the p_______ of the speed gap between the two kinds of train to make sure they both run s______.
根据首字母填空，使短文更完整，不限词的个数。谢谢大家

Answer 1

runs
busiest
trains
allowed
countries
speeds
can
both
problem
safely

Answer 2

的发展规模usr更好速度耳畔有天赋vieufvndghvus