题目内容：

阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

China is well known as the Kingdom of Bamboo. Bamboo culture has already been rooted 1. Chinese minds through the long history. To the Chinese people, bamboo is the symbol of virtue, 2. (reflect) people’s soul and emotion. Bamboo has the title of “the gentleman of plants”. 3. (it) deep root symbolizes determination and its straight and hollow pole represents straightness and modesty. Bamboo culture always 4. (play) a positive role in encouraging Chinese people to hold on when facing tough situations.