1.Colour the eraser blue.
![](http://static.xuejinqu.com/qimg/72e/72e53e1007d33ae3ed63e939c16fa020.png)
2.I have a brown pencil.
![](http://static.xuejinqu.com/qimg/23e/23ea95b1c6ea9d99261f7d5bd1be7bea.png)
3.I see a black pen.
![](http://static.xuejinqu.com/qimg/610/6106222cc425fdfda4f2f1e044269822.png)
4.Colour the arms orange.
![](http://static.xuejinqu.com/qimg/5c9/5c9405b1ab32d1619e0a6f880a86ae93.png)
5.This is a red bag.
![](http://static.xuejinqu.com/qimg/7e9/7e9e1184ab8b715346facc1ff3ae58dc.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)