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( ) 1. Where are you from? A The same to you!
( ) 2. Who’s that man? B She’s my sister.
( ) 3. How many buses can you see? C Thank you!
( ) 4. What’s in the box? D I’m from China.
( ) 5. Do you like juice? E No, I don’t.
( ) 6. What about the girl? F He’s my friend.
( ) 7. Can I have an fruits? G Sixteen.
( ) 8. How are you? H A gift for you.
( ) 9. This is for you! I Fine, thanks.
( ) 10. Happy Children’s Day! J Yes,you can.
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
