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A Piece of Meat
A dog has a large piece(片) of meat in his mouth. Near the water and sees himself (他自己) in the water. He thinks it is another dog. That dog also has a large piece of meat in his mouth. He says to himself, “I want to get his meat. Then I can have two pieces. ” He opens his mouth to bark(吹) and his meat goes down into the water.
1．There is a dog with a large piece of meat in his mouth. （_____）2．He sees another dog in the water but he doesn’t know it’s only himself. （_____）
3．He thinks the dog in the water is himself. （_____）
4．At last he has two pieces of meat. （_____）
5．The dog is very clever. （_____）
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
