I have a pencil box. It’s black. There are lots of things (东西) in it. I have a pen. It’s red and long (长的). I like it. I have three pencils. They (它们) are short(短的). I have a ruler. It’s big(大的). I have an eraser. It’s small(小的).
1.The pencil box is _________. ( )A.black | B.red |
A.yellow | B.red |
A.4 | B.3 |
A.long | B.short |
A.big | B.small |

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

