20． The Chongyang Festival is a Chinese traditional festival．It is celebrated on the ninth day of the ninth lunar month．It's also（81）called（call） the Double Ninth Festival． The festival started as（82）early/??：li/as the Warring States Period （475-221BC）．It has a history of more than 1，700 years．Among the numbers from zero to nine，nine is the（83）highest（high） odd number （奇数）．People believe that two"nines"meeting together stand for a long life．So it is a special holiday（84）forChinese people to show love and respect for their elders．They hold many（85）kinds（kind） of activities in honor of old people，wishing them good（86）health/helθ/and a long life． The festival comes during the golden time of（87）fall/f?：l/．On the day，people traditionally drink chrysanthemum （菊花）wine，eat Double-Ninth Cakes（88）and climb mountains．They also carry a kind of plant named dogwood．People in ancient times believed that （89）the plant could drive away evil （邪恶的）spirits and prevent them from（90）catching（catch） an illness in winter．
The Chongyang Festival is a Chinese traditional festival．It 
