Welcome to my house!
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
Let's go to the kitchen.
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
Thank you.
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
You have a nice chair.
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
Sure. It's over there.
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
I want to call my mum.
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
Yes. Go ahead.
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
Would you like to use the glasses on the table?
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.png)
Can I use your phone, please?
![](http://static.xuejinqu.com/qimg/894/894e95e01d1159cb8f48c365322d9c6c.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)