![](http://static.xuejinqu.com/qimg/e3e/e3e0846acedcadbb803b49a5464cf425.png)
2.pencil b.
![](http://static.xuejinqu.com/qimg/28e/28e31077212db869359b881a8ec05bc1.png)
3.ruler c.
![](http://static.xuejinqu.com/qimg/3ed/3ed52f919b50501b0d91714f53c0aedf.png)
4.backpack d.
![](http://static.xuejinqu.com/qimg/a9e/a9ef227df6093fc2227026fcc696ca56.png)
5.glue e.
![](http://static.xuejinqu.com/qimg/f9a/f9a5f837c25a815c0828a0395273d979.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)