阅读下面材料,在空白处填入一个适当的内容(1个单词)或括号内单词的正确形式。The food commonly associated with Qingming Festival is Qingtuan, a glutinous rice dumpling dyed green with mug-wort juice or wormwood grass. The tradition of serving Qingtuan at Qingming Festival is believed【小题1】(date) back to the Zhou Dynasty more than two thousand years ago,【小题2】the food was a common ritual in memory of the ancestors.
Up till now, the practice【小题3】(stand) the test of time. Time-honoured brands of Qingtuan have struggled to show off 【小题4】(they) inventiveness. In recent years, Chinese consumers have gone wild for time-honoured brands of Qingtuan. Before Qingming Festival, customers stand in lines stretching down city blocks, 【小题5】(wait) to get a taste of these variations before they sell out. 【小题6】 their smallest similarity to the classic variety, many people still believe that the【小题7】(innovate) helps to keep the ancient food tradition alive by getting younger people interested in them. Time-honored brands need to stay fresh by evolution and novelty. Otherwise, they’ll get left behind by more 【小题8】 (creation) brands.
However, many Chinese people【小题9】(simple) aren’t interested in the debate about 【小题10】 these novel products are appealing or objectionable. Many are quietly used to eating Qingtuan the way they’ve been served for hundreds, or thousands of years.