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Christmas Day always comes on the 25th of December. It is the biggest festival in many countries. Children are very excited because they can get many presents from Father Christmas. Father Christmas is an old man in red clothes. When small children go to bed on the night of December 24th, they put a stocking at the end of their bed. Their parents ask them to sleep early, or Father Christmas will not give them anything. Children are very excited on Christmas morning and always wake up early, because they can see many presents in their stockings.
On Christmas Day, all the families will get together to have a big lunch or dinner, play party games and watch the Christmas programmers on TV.
1．Christmas Day always comes on the 25th of December.2．Christmas Day is the biggest festival in many countries.
3．Father Christmas is an old man in red clothes.
4．Children are very excited on Christmas morning.
5．On Christmas Day, all the families will get together to have a big breakfast.
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
