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This is my room. Near the window there is a desk. I often do my homework at it. You can see some books, a ruler, a pen on the desk and some flowers in the vase (花瓶). On the wall near the desk there is a picture of a cat. There is a clock on my bed. I can put my football under my bed. There is a chair near the desk. I sit there and I can see the trees and the flowers outside.
1．What can you see on my desk? ( )| A．Some books. | B．Some pencils. |
—It's ________.
| A．on her desk | B．on the wall |
| A．A ruler. | B．A football. |
| A．Yes, there are. | B．No, there aren't. |
| A．in | B．on |
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
