How you observe Double Seventh Festival?句中observe的意思是？

A. 观察
B. 庆祝
C. 喜欢

“遥知兄弟登高处， 遍插茱萸少一人”描写的是什么节日？

A. Mid-Autumn Festival.
B. Tomb-Sweeping Day.
C. Double Ninth Festival.

The customs of celebrating the Spring Festival.

A. Doing some cleaning.
B. Pasting couplets.
C. Dragon Boat Race.
D. Having reunion dinner.

Dragon Boat Festival is an intangible cultural heritage.

A. 对
B. 错

中西方节日英汉互译。