1. ---What’s this?
---This is a ____.
![](http://static.xuejinqu.com/qimg/ad7/ad729e56ed659a1d95dfc9ef8cf99b55.png)
2. ---What’s this?
---This is a ____.
![](http://static.xuejinqu.com/qimg/142/14270c12337310f0523a4b89799abdde.png)
3. ---What’s this?
---This is our ____.
![](http://static.xuejinqu.com/qimg/13e/13e60c1728c73d707021eb21edfaf70b.png)
4. ---What’s this?
---This is a ____car.
![](http://static.xuejinqu.com/qimg/bb9/bb91ada83f4272b637620c2374c5ad1d.png)
5. ---What’s this?
---This is a white ____.
![](http://static.xuejinqu.com/qimg/af0/af05e79a6abd87a4273cb3555cd9bd82.png)
6. ---What’s this?
---This is my ____cap.
![](http://static.xuejinqu.com/qimg/a15/a1513c1cb4714baf2800566e48b250c0.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)