() 1. Is there any water in the bottle? A OK.
() 2. What are you doing? B They were in the box.
() 3. Let’s go to see Miss Li. C I can sing and dance.
() 4. Where were my glasses just now? D I’m catching the insects.
() 5. What can you do? E Yes, there is.
() 6. Is this the first day of the new term? F Some chocolate.
() 7. How many lessons does she have today? G She has five.
() 8. What do you like? H I like playing table tennis.
() 9. What do they need? I Yes, it is.
() 10. Where are you from? J I’m from America.

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

