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Hello, I'm Sam. I'm a boy. I'm ten years old. Daming and Lingling are my friends. Amy is my sister. We're going to have a Sports Day tomorrow.
I'm going to do the high jump for Sports Day. Lingling is going to run the 200 meters. Daming is going to run the 100 meters. Amy is going to do the long jump. We love Sports Day.
1．Sam is Amy's brother.2．Lingling is going to run the 100 meters.
3．Daming is going to run the 200 meters.
4．Today is Sports Day.
5．Amy is going to do the long jump.
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
