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B:
A:
B: Because the Mid-Autumn Festival is coming.
A: When is the Mid-Autumn Festival?
B:
A: Oh, I’d like some red bean mooncakes. What about you?
B:
A: Let’s go to the supermarket together.
B:
| A．OK. |
| B．It’s on the 15th day of lunar August. |
| C．I’d like some egg yolk mooncakes. |
| D．Why do you buy some mooncakes? |
| E．I’m going to buy some mooncakes. |
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
