A. He can see a river. B. He can see a lake. C. He can see a big cake.
A. We don't know. B. Yes, she can. C. No, she can't.
A. Maths, Chinese and PE. B. Science, Maths and Music. C. English, Maths and Art.
A. At four thirty. B. At five ten. C. At five thirty.
A. Yes, they do. B. We don't know. C. Yes, it is.
A. Yes, it is. B. No, it isn't. C. Not sure.
A. Five. B. Four. C. Three.
A. It's a monkey. B. It's a river. C. It's a hill.
A. They are in the park. B. They are at home. C. They are in the zoo.
A. He can sing and draw. B. He can sing English songs. C. He can play basketball.
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