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A: Do you want to look at my photos?
B:
A: Look at this one.
B:
A: We are having a birthday party. It was my birthday last Sunday.
B: I like this one.
A: Yes, I like playing the suona very much. It’s my hobby.
B:
A: Yes, I can.
B:
A: Really?
B: Yes.
| A．You’re playing the suona. |
| B．Can you play the suona for me now? |
| C．What are you doing? |
| D．You play very well. |
| E．Yes, I do. |
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
