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B: I am drawing a picture.
A: What do you have?
B:
A:
B: No, I don’t. Why do you need some glue?
A: I want to stick a birthday card for Gogo.
B: When’s his birthday?
A:
A:
B: Let me see. Oh, it’s so nice.
| A．His birthday is December 15th. |
| B．I have some crayons. |
| C．Yes, I do. I have a toy plane for him. |
| D．Do you have any glue? |
| E．What are you doing? |
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
