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A: Excuse me. 1．
B: Yes, please.
A: I can see some lanterns on the door. 2．
B: Haha... no. It’s the Spring Festival. It’s the most special day in China.
A: Really? 3．
B: Sure. It’s often in January or February. And people often eat dumplings.
A: 4．
B: Yes, I like them very much. 5．
A: Oh, in America the most special festival is Christmas. And it’s my favourite festival.
| A．Can you tell me more about it? |
| B．What’s your favourite festival? |
| C．Is it the Mid- Autumn Festival? |
| D．Can I ask you some questions? |
| E．Do you like them? |
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
