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Here’s a pencil box, and it’s orange. It’s Alice’s pencil box. It’s on the table. Look! This is a pen. It’s black. And this is an eraser. It’s blue. They’re in the pencil box. This is a ruler. It’s red, and it’s on the chair. That is a pencil. It’s yellow. It’s in the drawer (抽屉). Where’s the English book? It’s under the sofa.
1．What color is the eraser?| A．It’s orange. | B．It’s black. | C．It’s blue. | D．It’s red. |
| A．A pen and an eraser. | B．A pen and a ruler. | C．An eraser and a ruler. | D．A ruler and a pencil. |
| A．It’s in the pencil box. | B．It’s in the drawer. | C．It’s on the chair. | D．It’s under the sofa. |
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
