题目
根据句意与首字母提示,补全介绍历史遗迹的短文中所缺单词(每空一词)。The ancient temple, which d____ back to the Tang Dynasty, is p____ of our national heritage. Visitors are f____ to touch the murals, as they must be p____ from damage. Every year, experts carry out a careful e____ of the site to ensure its protection.