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A: Hi, Mike. You look so happy today. Why?
B:
A: Really?
B: Yes.
A: When is the party?
B:
A:
B: I’ll sing a birthday song and play the piano. And we’ll eat delicious food.
A: Sounds great!
B: Thank you very much.
| A．What will you do for the party? |
| B．And we’ll have a birthday party for her. |
| C．Happy birthday to her. |
| D．Because today is my mother’s birthday. |
| E．At 6:30 p.m. |
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
