1.Show me your ruler.
![](http://static.xuejinqu.com/qimg/98a/98ac16f4e8bfa3753f8b218b14bf2b45.png)
2.Show me your pen.
![](http://static.xuejinqu.com/qimg/a8d/a8dc27b605a5562870c30f398ac53fe5.png)
3.I have a book.
![](http://static.xuejinqu.com/qimg/d2b/d2b8175baa5faa52e4a7f591ec996348.png)
4.Carry your bag.
![](http://static.xuejinqu.com/qimg/a65/a65170aaa9ea8ab96f4ff1ddc62295c5.png)
5.This is my friend, Laura.
![](http://static.xuejinqu.com/qimg/829/82944c31ee8965dff53a022f73e107cc.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)