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L: It’s my birthday today(今天).
D: Happy birthday, Lingling.
L: Thank you.
D:
L: Thank you. What’s this?
D: Guess! (猜一猜)
L: Is it a pen?
D: No, it isn’t.
L:
D: Yes, it is. Can you say the name of the book?
L: Yes. It is The Snow White. I like it.
D:
L: 1, 2, 3, 4. 5,6, 7, 8, 9, 10. Ten candles. I’m ten.
D:
| A．How old are you, Daming? |
| B．I’m ten too. |
| C．Here’s your present. |
| D．How many candles (蜡烛) on the cake? |
| E．Is it a book? |
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
