A. on B. in C. under |
![](https://img./dksih/QBM/editorImg/2023/6/11/e266a389-44e8-4fe0-a8ac-838ae39339c6.png?resizew=87)
—Where is the ruler?
—It’s __________ the book.
2.
![](https://img./dksih/QBM/editorImg/2023/3/15/fc030644-5eaa-43b2-b8de-b317eb976321.png?resizew=66)
—Where is the cat?
—It’s __________ the chair.
3.
![](https://img./dksih/QBM/editorImg/2023/4/24/031acaa5-0603-44d9-a0ee-f3e278010b3d.png?resizew=107)
—Where is the pencil box?
—It’s __________ the bag.
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)