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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
