题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

The 1. (tradition) Chinese lunar year divides the year into 24 solar terms. On the first day of Winter Solstice (冬至), the Northern Hemisphere (半球) experiences the 2. (short) day in the year. The Winter Solstice also 3. (mark) the arrival of the coldest season in the year.

There was a saying 4. ancient China, “The Winter Solstice is as important as the Spring Festival.” As early as the Zhou Dynasty, people worshipped (崇拜) the gods on the first day of the Winter Solstice, 5. also was the first day of the new year. The Winter Solstice 6. (become) a winter festival during the Han Dynasty. 7. (celebrate) were officially organized. On this day, both officials and common people would have 8. rest.

During the following dynasties, such 9. the Tang, Song and Qing dynasties, the Winter Solstice was a day 10. (offer) sacrifices (祭祀) to Heaven and to ancestors.