阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Most of us are familiar with the “Silk Road”, a network of land trading routes which connected northwestern China to Europe since the Han dynasty. With 【小题1】(it) recent popularity, you may have heard of the “Ancient Tea Horse Road” as well, another network of land trading routes that connected China to various 【小题2】 (part) of Asia and Europe before sailing became common. Historically, the “Ancient Tea Horse Road” is no less 【小题3】 (value) than the “Silk Road". And because of their respective locations, sometimes the “Ancient Tea Horse Road” is referred to as the “Southern Silk Road”.
The “Ancient Tea Horse Road” got its name as Chinese tea and horses were the main products 【小题4】 (buy) and sold along the route. Recently, historians 【小题5】(trace) the origins of the “Ancient Tea Horse Road" back to the Tang dynasty, 【小题6】 tea was being transported out of Yunnan to Beijing, Tibet, and other places. The “Ancient Tea Horse Road” was 【小题7】 (far) developed during the Song and Ming dynasties, and remained 【小题8】 busy trading route all year round until the Qing Dynasty.
The “Ancient Tea Horse Road” served 【小题9】 not only a trading route, but also a bridge connecting different races-such as Han and the Tibetan people. It is located near the“Roof of the World"，and is where many minority groups are located, 【小题10】 (make) it a spot of many attractions.
