[[QOrDeR]]My brother is
![](http://static.xuejinqu.com/qimg/f2f/f2f871270de9a75ce5d5767092044ba1.png)
【小题2】I have a
![](http://static.xuejinqu.com/qimg/54d/54d1d9d52739ca3a0231432572979b19.png)
【小题3】What’s
![](http://static.xuejinqu.com/qimg/d85/d8507afcddabcb63b49d83ee2e9cb5cd.png)
【小题4】Look at my
![](http://static.xuejinqu.com/qimg/512/5127d51ab35208452348dd0523ddd420.png)
【小题5】Here is a pencil. It’s
![](http://static.xuejinqu.com/qimg/22e/22e6bdc8315c952c6625551a21b742f9.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)