题目内容：

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。

A CCTV history program that mixes documentaries and drama with variety shows in 1. hope of promoting the protection of prized cultural legacies (遗产) has become a hit. National Treasure is the first Chinese TV program 2. (take) this unique approach. It consists of 10 episodes (集) airing on Sundays on Channel Three of CCTV.

Each episode exhibits three of the 3. (fine) cultural treasures in China, each presented by a celebrity and an expert who 4. (act) as ''national treasure keepers''. Yu Lei, producer and director of the show, said, ''The treasure keepers tell the stories behind the pieces and uncover the mysteries 5. surround them, so that audiences can come to appreciate not only their beauty, but also their cultural 6. (significant). ''

Nine major museums are participating, 7. (range) from The Palace Museum to Liaoning Provincial Museum. As for the treasures' selection criteria, Yu said the show tries to take8. account historical, artistic and scientific values. ''The pieces featured on the show are 9.(possible) not all the so-called representative pieces in these museums, but they should represent some historic periods and reflect an important point in history. ''

The roles of national treasure keepers in the first episode 10. (play) by Tony Leung Ka-fai, Li Chen and Wang Kai on December 3, 2017.