阅读下面的短文，根据篇章逻辑，填上所需要的单词，或者填上所给单词的正确形式，每个空格最多填三个词。

The “24 solar terms” are a vital part of the Chinese calendar, which has 【小题1】 (it) origin with the ancient Yellow River basin. The Chinese calendar 【小题2】 (include) “24 solar terms” provides detailed guidelines and timetable for agricultural 【小题3】 (activity).

A complete set of “24 solar terms” first 【小题4】 (appear) in an ancient book The Huainanzi in early Han Dynasty. These 24 solar terms were soon absorbed into The Taichu calendar, the first well documented calendar in 【小题5】 history of China.

The Chinese Agriculture Calendar is 【小题6】 (actual) a combination of the lunar and solar calendar systems. There 【小题7】 (be) 365. 2422 days in one “sidereal year” while 12 lunar months add up to 354 days. To make both the lunar calendar 【小题8】 the solar calendar agree, a leap lunar month needs to be added every2 to 3 years. 【小题9】 (date) back to the early Han Dynasty, a lunar month without a major solar term was adopted as a leap month (闰月) .With more far-reaching cultural exchanges, the “24 solar terms” have been known 【小题10】 people in other parts of the world and were added to the “UNESCO World Intangible Cultural Heritage” list in 2016.