1. Mum, where is my _______?
![](http://static.xuejinqu.com/qimg/878/8780cb6328933ad925edd211ddf2b1e9.png)
2. Look, the _______ is under the chair.
![](http://static.xuejinqu.com/qimg/633/633bcbca00659e6876438d34ecb2cd51.png)
3. Where is my ________?
![](http://static.xuejinqu.com/qimg/485/485138f7404cbcf5bb4194e4f439f886.png)
4. I have a new toy _______ .
![](http://static.xuejinqu.com/qimg/3e9/3e91e0c51940b08668161a404b60134f.png)
![](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)