Have you ever heard of the train No.6063？It links（连接）thirty﹣eight （1）s 　　along the way from Baoji of Shanxi to Guangyuan of Sichuan．It passes by twenty﹣four schools，so there are always many students taking the train．The students live in mountainous areas．And they need to take the train （2）b 　　schools and homes every week．It always takes a long time for them to go to school and go home on the train．In order to help them，the head of the train Xiang Fei decided to do something for the children．He and other workers （3）s 　　several hours turning one of the carriages into a special student carriage．There are big desks and a library．Many kind﹣hearted people gave away （4）o 　　300 new books to this library．Students can read all kinds of books，do their homework and talk with students from other schools on the train．