(1) According to the location of Xiang-Qian line and Zhengzhou, just mark it on the map. (2) Take the train from Beijing to Guangzhou, and choose the best railway line. The provincial administrative centers passing along the way are Shijiazhuang, Zhengzhou, Wuhan and Changsha. (3) After arriving in Guangzhou, if you want to travel, the most convenient means of transportation is by car, which is flexible, fast and adaptable. It&;s a long distance to travel to Shanghai. Both cities are seaports. If you want to save money, you should choose a ship, but you must have enough time. If you want to save time, you should choose air transportation from Guangzhou to Urumqi. (4) Qingqing&;s brother is doing business in Wuhan. He has to go to Zhengzhou to Turpan to get fruit and take the nearest railway line. First, he went to Zhengzhou through the Beijing-Guangzhou line, then to Lanzhou through the Longhai line, and then to Urumqi through the Lanxin line. The fruits he could not buy in large quantities from Xinjiang were oranges and bananas, because oranges and bananas belong to the fruits of the southern region. Therefore, the answers are: (1) as shown in the figure: (2) Beijing-Guangzhou; Shijiazhuang; Zhengzhou; Wuhan; Changsha; (3) Cars; Ships; Aviation; (4) Beijing-Guangzhou line; Longhai line; Lanxin line; CD.