1.I'm in Class Two, Grade Three.
![](http://static.xuejinqu.com/qimg/e09/e09a8663aeeac2da48a65f57a2b77c44.png)
2.My school number is fourteen.
![](http://static.xuejinqu.com/qimg/4ff/4ffb3ecc124fe194e6365e88af4ae3d7.png)
3.I'm eleven years old.
![](http://static.xuejinqu.com/qimg/85c/85c783c27c4283eeec58ef272f2f9682.png)
4.Good morning.
![](http://static.xuejinqu.com/qimg/441/441ff8fa6af6de92b9e286ea4f486a4a.png)
5.How are you?
![](http://static.xuejinqu.com/qimg/1aa/1aa016bb083d0999543e8b899a8727fb.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)