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This is a desk. It isn’t a table. It’s the teacher’s desk. It isn’t a student’s desk. There is a bag, a pencil-case and a cup on it. There are some books in the bag. There are some pencils, a pen and an eraser in the pencil-case. And there is a ruler under it.
1．Is this a desk or a table? ( )| A．A desk. | B．A table. | C．A desk or a table. |
| A．Yes, it is. | B．No, it isn’t. | C．Yes, it does. |
| A．A pencil-case. | B．Some pencils. | C．Some books. |
| A．It’s under the bag. | B．It’s under the pencil-case. |
| C．It’s in the bag. | |
| A．A bag and a cup. | B．A pencil-case. | C．A&B |
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
