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（） 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
