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Mrs Bear: Good morning! Mr Panda. How are you?
Mr Panda:
Mrs Bear: Hi! Mr Tiger. Nice to meet you!
Mr Tiger:
I’m so happy. Today is my birthday, too.
Mrs Bear: Wow! Happy birthday!
Mr Tiger:
Mrs Bear:
Mr Tiger: I’m five years old.
Mrs Bear: We will have a great party (派对). Let’s go!
Mr Tiger:
| A．How old are you? |
| B．I’m fine, thank you. |
| C．OK! |
| D．Nice to meet you, too. |
| E．Thanks. |
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
