[[QOrDeR]]我们的国旗的颜色是________. ( )
![](http://static.xuejinqu.com/qimg/178/1783e754d201e451c5fad0e04e3667d0.png)
A.red and yellow | B.red and blue |
![](http://static.xuejinqu.com/qimg/a6c/a6c8fa7ada2f393084bd38831b029bfd.png)
A.blue | B.green |
![](http://static.xuejinqu.com/qimg/55b/55b90dc4b31541ccf9009e8a6c6fad48.png)
A.red | B.black |
![](http://static.xuejinqu.com/qimg/6fd/6fd47833f88c419068a807f5fe3915ac.png)
A.blue | B.green |
![](http://static.xuejinqu.com/qimg/d42/d42b0f3db247827eef5d0f31b714cadb.png)
A.red | B.yellow |
![](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)