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John is an old man. He has a big house. He likes dogs very much. He has three dogs. One dog is from the UK. Her name is Cot. One dog is from the US. Her name is Dot. One dog is from China. Her name is Potty. John loves his dogs very much. He buys many toys for his dogs. Cot has a red cat. It is small and fun. Dot has a blue toy monkey. It can jump and run. Potty has a white toy rabbit. It has long ears. The dogs like their toys and they like John，too. They like playing with John very much.
1．John has three dogs.2．Cot is from China.
3．Potty’s toy monkey can jump and run.
4．Dot’s toy monkey is green.
5．The dogs don’t like their toys.
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
