1.This is a green cat.
![](http://static.xuejinqu.com/qimg/61b/61b8cefa78a1c4bf78194e75b0f712b3.png)
2.It’s an orange bird.
![](http://static.xuejinqu.com/qimg/33c/33cdf2c341e785acc51432f25e9b3fa0.png)
3.It’s a yellow dog.
![](http://static.xuejinqu.com/qimg/7fb/7fb9f697a19e2a266a064cdcd4ed8f22.png)
4.It’s a black and blue window.
![](http://static.xuejinqu.com/qimg/673/67385982d04ff12e1d460f071479e550.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)