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A foolish dog
A dog has a large piece of meat in his mouth. When he is walking on a small bridge, he looks down and sees himself in the water. He thinks it is another dog. That dog has also a large piece of meat in his mouth. He says to himself: “I want to get his meat, then I have got two pieces of meat.” He opens his mouth to bark the dog in the water, and his meat falls into water.
1．A dog has a small piece of meat in his mouth.2．He wants to get two pieces of meat.
3．He finds another dog in the water.
4．The dog is standing on the grass.
5．The dog has no meat at last.
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
