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Mike: Hello, John!
John: Hello, Mike! I’m listening to music. What about you?
Mike:
John: Look, there is a birthday card in this bag.
Mike: Oh, yes.
John: Great!
Mike: I’ll cook noodles for him. And we’ll have a birthday party for him.
John: OK! Have a good time!
Mike: Thank you!
| A．Is it yours? |
| B．I’m reading a book. |
| C．What else will you do for your grandpa? |
| D．It’s mine. |
| E．What are you doing? |
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
