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Christmas Day is December 25. In America it is one of the biggest holidays of a year. At Christmas, many people take their children to a mall(商场). They can meet Santa or take pictures with Santa.
Children are very happy on that day, because they can get many presents from their parents and friends, but they want Santa to bring presents for them. And they also give presents to their family and friends happily. On Christmas Day, they can also eat Christmas cakes.
1．Christmas isn’t a big holiday in America.2．Children can get many presents from their parents and friends on Christmas Day.
3．People often eat pizza on Christmas Day.
4．At Christmas many American children meet Santa in a mall.
5．Children want Santa to bring presents for them.
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
