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B: Yes, of course.
A: At half past four.
B:
A: At my home.
B: Ok, I will get early ten minutes.
(The door bell is ringing.)
B:
A: Thank you.
B: Who is playing the suona?
A: King is.
B: Yes, oh, what’s the matter with the dog?
A: Haha, it’s barking with the suona.
B: Wow,
A: Thank you.
| A．Happy birthday. |
| B．Come in, please. |
| C．When will it start? |
| D．How clever the dog is! |
| E．And where will you have the party? |
| F．He can play the suona very well. |
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
