Sugar cane cultivation(甘蔗种植) originated in southwest Asia, where Marco Polo reported in his     1     (know) journals that the Chinese used dark brown sugar freely without additional refining(提炼). Sugar can cultivation spread from southwest Asia     2     the Middle East and the Mediterranean trade circle in the twelfth and thirteenth     3     (century).

In the fourteenth century, the island of Cyprus was the location of major sugar farms,     4     (use) Syrian and Arab slaves as labor. Sugar cane cultivation was made a science in the fifteenth century in Sicily, with the     5     (invent) of the roller mill to speed up     6     process. In those times, brown sugar was a byproduct of sugar refining, and wasn't used widely in cooking     7     the people in the sixteenth century found its real value.

Brown sugar     8     (come) into popular use with the rise of European sugar plantations in the Caribbean in the 1700s. It was widely used as a sweetener in English and     9     (it) colonies(殖民地) because it was much     10     (cheap) than white sugar. The use and export of brown sugar from islands rose with the trade.

The horse-head bronze statue lost from Yuanmingyuan in 1860     1     (return) to the site of the former royal resort last Tuesday.

The statue was one of 12 Chinese zodiac animals(生肖). But they     2     (rob) by the invading English and French forces in 1860. Yuanmingyuan was also destroyed at that time.

The horse-head statue is so far the first animal-head statue     3     (come ) back to Yuanmingyuan,     4     was donated by the late Macau businessman Stanley Ho to the country last year, and the National Cultural Heritage Administration recently handed it over     5     the administration of Yuanmingyuan ruins.

The statue will be     6     (regular) displayed in the Zhengjue Temple area. The temple is one of a few     7     (site) that generally remain complete to date. More than 10 million yuan ($1.52 million) was spent by the Haidian district government to improve facilities to ensure its     8     (safe).

Seven of the 12 statues     9     (include) the horse have returned to China, and the rest six are now housed in     10     National Museum of China.