Ⅰ Ⅱ
( )1. What can you do? A It’s a rooster.
( )2. What’s this? B I can sing·
( )3. Can you see a red ruler? C No,it isn’t.
( )4. Is this a rat? D Yes,there are.
( )5. Are there trees? E Yes,I can.
( )6. How are you? F There are three.
( )7. What color is it? G I'm fine.
( )8. How many rooms? H It's orange.

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

