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Halloween，National Day，Dragon Boat Festival，Mid-Autumn Festival，Spring Festival，Christmas，May Day，New Year’s Day，Easter，Children’s Day
1．__________ is in December. People have beautiful Christmas trees in their homes and give presents to each other.
2．__________ is the first day of a year. People usually go to parties.
3．There are dragon boat races at __________.
4．__________ is in January or February. People visit their relatives and friends and eat a lot of delicious food.
5．People usually make colourful eggs at __________.
6．People eat moon cakes at __________. It’s usually in September or October.
7．At __________, people usually dress up in costumes and go to parties.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
