I have a pencil box. It’s blue and white. There are lots of things(东西) in it. I have a pen. It’s red. It’s very lovely. There is a little cat on it. I like it very much. I have three pencils. They are short. I have a ruler. It’s long. I have an eraser(橡皮). It’s white. But it’s small.
[[QOrDeR]]The pencil box is________.A.brown and white | B.black and white | C.blue and white |
A.yellow | B.red | C.green |

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

