1 . The “One Belt One Road” strategy proposed by President Xi Jinping has drawn public attention to Silk Road. Silk Road refers to the old overland trade route    1    was formed in the Western Han Dynasty. This route stretched 4, 350 miles from Chang’an to western China, central Asia, and even to Europe,    2    （enable）these to have better communications in diplomacy, business and culture.

China was the first country    3    （produce）silk fabric. This skill reached a     4    （fair）advanced level in the Zhou Dynasty. As a major export to Europe, “silk”    5    (use) to name this great route by a German geographer, Ferdinand von Richthofen. China’s silk was introduced into western    6    （country）through this old trade route. People were not familiar with this product at the beginning, and made many guesses at how    7    was produced. According to the record, the idea that silk was picked from trees was widely accepted by folks in Europe.

Clothes made of this fabric were always best sellers, and were considered a social status symbol. Even the gorgeous Egyptian queen, Cleopatra, was also a big fan of the silk. This   fascination led to an     8    （increase）demand    9    this product, and promoted the    10    (develop)of this trading route.