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Ben: Do you have any cats?
Jiamin: No, I don’t. But I have some brown dogs.
Ben: How many dogs do you have?
Jiamin: I have three.
Ben: Where are your dogs?
Jiamin: Look, they are under my bed.
Ben: Oh, there… Oh no, a dog is on your bed!
Jiamin: Oh, my bed!
1．Jiamin has some cats.
2．Jiamin’s dogs are brown.
3．Jiamin has three dogs.
4．Three dogs are on Jiamin’s bed now(现在).
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
