A. He can play football. B. He can jump. C. He can skate.
A. In the bathroom. B. In the classroom. C. In the living room.
A. Yes, they do. B. No, they don’t. C. They have two.
A. On the desk. B. Under the desk. C. Behind the chair.
A. It’s 8 yuan. B. It’s 18 yuan. C. It’s 16 yuan.
A. Yes, it is. B. No, it isn’t. C. Yes, he can.
A. Yellow. B. White. C. Red.
A. Three. B. Six. C. Nine.

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

