A Foolish Dog
A dog has 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 can have two pieces of meat.” He opens his mouth to bark (犬叫) the dog in the water , and his meat falls into water.
快速判断Y / N:
(1)The dog has a small piece of meat. ( )
(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)He 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