A. Wash your face. B. Clean your ears. C. Don’t touch your eyes.
D. Wash your hands. E. Clean your nose. F. Wash your hair.
1.
![](http://static.xuejinqu.com/qimg/137/1370dfae8d18e104bba2c498a724f113.png)
2.
![](http://static.xuejinqu.com/qimg/652/6520a8113b8da6b1fc94f5bff68dee7d.png)
3.
![](http://static.xuejinqu.com/qimg/e30/e303d4e57f44c8c9f802100124bf3068.png)
4.
![](http://static.xuejinqu.com/qimg/29e/29e5ccfa0a394c16ce45df0c0c90a5b4.png)
5.
![](http://static.xuejinqu.com/qimg/d69/d698e7db94b3a5bf515d634c07f8469e.png)
6.
![](http://static.xuejinqu.com/qimg/fbd/fbd1158ebaec0d9b0efb3a590d085317.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)