beside behind on with |
1.a boy
![](http://static.xuejinqu.com/qimg/7e1/7e1eb15f87c31bbbe713bf1d2ea88dfb.png)
2.a girl
![](http://static.xuejinqu.com/qimg/039/03948eea8ca61cf8e7a43e7d2f52b5d9.png)
3.a cat
![](http://static.xuejinqu.com/qimg/7cc/7cc2be79ed14d0af56fe2cc536b5cca0.png)
4.a cat
![](http://static.xuejinqu.com/qimg/cb7/cb734c935289094d2ec2b6b2b773922b.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)