A. It’s a bird. B. Yes, it is. C. I’m eight. D. Wow, I love it very much. E. She’s my sister |
1.
![](http://static.xuejinqu.com/qimg/8b4/8b4cfc5417b4e7c94f3cc552ce933215.png)
2.
![](http://static.xuejinqu.com/qimg/8ca/8cac159f79d3e1c70bf8a0f5b4a5f6c4.png)
3.
![](http://static.xuejinqu.com/qimg/de5/de5d2d0dc6942d23848a7b9d946e0920.png)
4.
![](http://static.xuejinqu.com/qimg/c1d/c1dc2d7906389fc9e8c7148e1ba788ce.png)
5.
![](http://static.xuejinqu.com/qimg/397/3975b731de7e70d9b846527201d212a2.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)