A. clean the windows B. water the flowers C. clean the shoes D. wash the dishes E. wash clothes |
![](http://static.xuejinqu.com/qimg/b34/b34d5ca8e5d72f5b603d58b2501a33e0.png)
2.
![](http://static.xuejinqu.com/qimg/063/0635519245d8566d9fb1f20b38cd5886.png)
3.
![](http://static.xuejinqu.com/qimg/705/705e4111563939089268927e55b34356.png)
4.
![](http://static.xuejinqu.com/qimg/ef6/ef6cb442222cc9844bcfc7d67333be9b.png)
5.
![](http://static.xuejinqu.com/qimg/969/96962756ed1dde38f68b90d550581ad7.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)