1.
![](http://static.xuejinqu.com/qimg/b41/b41a95f73fd8052879c3f0998bce09b2.png)
2. My teacher often
![](http://static.xuejinqu.com/qimg/b47/b479a68bdca232f2ac51ff682bf48831.png)
3. Mr Liu is a
![](http://static.xuejinqu.com/qimg/ecd/ecdbc03e903709eb74682634ca5674c4.png)
4. She
![](http://static.xuejinqu.com/qimg/476/476a5108631cb77791c8a288668cf628.png)
5. ---What does Mrs White do?
---She is a
![](http://static.xuejinqu.com/qimg/0b6/0b62fb746cecbcc28c47e70396463475.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)