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Look, the Spring Festival in China is coming. People buy some flowers and put them in their houses. They clean the windows and doors. They cook nice food for their families and have a big family reunion dinner. Also (而且), the older people give some red packets to the children. People also light firecrackers together and have great fun. When friends meet, they say：“Happy the Spring Festival!” to each other.
1．The Spring Festival in China is coming.2．They have a big family reunion lunch.
3．The children get red packets from the older people.
4．The children watch lion dance and have great fun.
5．We say “Happy the Spring Festival!” to each other during the Spring Festival in China.
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
