Hi, My name is Wu Yifan. I'm from China. I have one, two, three, four, five...I have five birds. I have twenty fish, And I have a cat, too. The cat eats two fish. How many fish do I have now(现在)?
1.What' s his name (名字)? ( )A.Wu yifan | B.Wu Yifan. |
A.The USA. | B.China. |
A.five | B.Twenty. |
A.Twenty. | B.Two. |
A.Eighteen. | B.Twenty. |
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