(9 points) Material 1: As shown in the Diagram of the Grand Canal in the Sui Dynasty. Material 2: The poem of Pi Rixiu, a poet in the Tang Dynasty: "The Sui Dynasty has died for thousands of miles.

Objective: In order to strengthen the north-south traffic and consolidate the rule of the Sui Dynasty over the whole country. (2 points)

(2) Luoyang. Han Gou (every 1 minute, ***2 points. Don't score if there is a typo)

(3) Dayu controls water. Because of the opening of the Grand Canal in Sui Dynasty, it greatly promoted the economic exchanges between the north and the south of China. (2 points for each question, ***4 points)

This question examines the Grand Canal in Sui Dynasty. The Grand Canal was built during the reign of Yang Di in the Sui Dynasty, with the purpose of strengthening north-south traffic and consolidating the rule of the Sui Dynasty over the whole country. The Grand Canal is centered on Luoyang. The Grand Canal is divided into four sections from south to north. The name of paragraph C in the material 1 picture is Han Gou. Material 2 The greatest achievement of "Yu" in Pi Rixiu's poems is Dayu's flood control. Pi Rixiu would say that "* * * didn't contribute much", because the opening of the Grand Canal in Sui Dynasty greatly promoted the economic exchanges between the north and the south of China.