Name | Age | Height | Weight | Place | Way | Activity |
Jack | 10 | 1.50m | 48kg | |||
Lily | 12 | 1.55m | 45kg |
Hello! I’m Jack. Lily is my Chinese friend. I’m younger than her. And she is taller than me. Last summer holiday, I went to Beijing by train. I ate delicious food in Beijing. It was great! | Hello! I’m Lily. Jack is my ______ friend. _________________ _________________ Last summer holiday, _________________ _________________ It was great! |
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