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F: Hi, Lily. Do you like animals?
L: Yes, very much. Please guess my favourite animal.
F:
L: No, it has got four legs.
F:
L: No, it eats grass.
F:
L: Eh, yes, it is bigger than a sheep.
F:
L: It’s white and black.
F:
L: Clever. It’s a cow.
| A．Is it a cow? |
| B．Is it bigger than a sheep? |
| C．Has it got two legs? |
| D．What colour is it? |
| E．Does it eat other animals? |
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
