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A dog has a piece（片）of meat in his mouth. He sees himself（他自己）in the water. He thinks it is another dog. That dog has a piece of meat in his mouth, too. He wants to get（得到）his meat. Then he can have two pieces. He opens his mouth to bark（吠叫）and his meat goes down into（在……里面）the water.
1．The dog is very clever. （2．The dog has two pieces of meat. （
3．The dog sees himself in the water. （
4．The dog’s meat goes down into the water. （
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
