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A: Look at this picture.
B: What is this?
A: It is the Palace Museum.
B: Yes, it is very beautiful. Where is it?
A:
B:
A: It is in China.
B: What do they speak?
A:
B: There are many famous places there.
A: Yes.
B: Yes, it is very great.
| A．Do you know about the Great Wall? |
| B．It is in Beijing. |
| C．They speak Chinese. |
| D．What country is it in? |
| E．Is it beautiful? |
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
