Next Sunday is Easter(复活节). We are going to have a two weeks’ vacation. I am going to get up late in the vacation. I am going to play basketball with my friends. I am going to make models with my young sister. I am going to visit relatives with my parents. Next Friday, I am going to go to Beijing. We are going to see the Great Wall. We are going to there by plane. I am going to take some photos there. I am sure we will have a happy vacation.
1.Next Friday is Easter. (2.They will have a two weeks’ vacation. (
3.They’ll go to Beijing by plane. (
4.He is going to make models with his friends. (
5.They are going to the Great Wall in Beijing. (
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