Hello, I'm Sam. I can jump far. I can play football. Amy is my sister. She can run fast. But she can't jump far. Daming is my friend. He can't jump high. But he can ride fast. Lingling is my friend too. She can't jump far. But she plays basketball well.
[[QOrDeR]]Sam can jump high. (【小题2】Amy can run fast. (
【小题3】Lingling can jump far. (
【小题4】Daming can jump high. (
【小题5】Amy and Lingling are Sam's friends. (

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

