1.thirty
![](http://static.xuejinqu.com/qimg/62b/62b792517377d1b916627d3f31e63e92.png)
2.teachers' office
![](http://static.xuejinqu.com/qimg/5ab/5ab0f69f307a3b770ebf7c18258aa02a.png)
3.sweater
![](http://static.xuejinqu.com/qimg/b44/b44fd2bc3718fe6cf0d57a9caee73a43.png)
4.carrot
![](http://static.xuejinqu.com/qimg/752/75213815dcf9c89ac77c6f5755633189.png)
5.dress
![](http://static.xuejinqu.com/qimg/700/700365d8628b1c09cceade29d10845f6.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)