A. It’s “d”. B. Good-bye! See you later! C. Open the door. D. The tree (树) is green. E. It’s a desk. |
1.
![](http://static.xuejinqu.com/qimg/f06/f067d1be680eab67ff92b0b3f59ebb23.png)
2.
![](http://static.xuejinqu.com/qimg/e41/e41d8db56b93600e290dad910a06469d.png)
3.
![](http://static.xuejinqu.com/qimg/839/8398b215f932489a150d3169959d029f.png)
4.
![](http://static.xuejinqu.com/qimg/d2f/d2fbd454fe759230166fe596fbfc37b2.png)
5.
![](http://static.xuejinqu.com/qimg/12b/12b412677f988ebd697c79ffc69b3b9f.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)