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B: Oh, thank you! What's it about?
A: 1．
B: 2．
A: It's the Chinese New Year.
B: Oh, I see. 3．
A: We have a big family dinner. And we say 4．
B: 5．
A: Yes, I like sweets very much. And the Spring Festival is coming!
B: Happy New Year!
A: Thank you. And the same to you.
| A．Do you eat sweets at the Spring Festival? |
| B．“Happy New Year!” |
| C．What's the Spring Festival? |
| D．It's about the Spring Festival. |
| E．What do you do at the Spring Festival? |
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
