1. the Spring Festival
![](http://static.xuejinqu.com/qimg/753/753d7ba583a0a31178ec23a13e65fe26.png)
2. the Dragon Boat Festival
![](http://static.xuejinqu.com/qimg/c19/c19b4285c3cf56077ad2b00bf84b6b7d.png)
3. the Mid-Autumn Festival
![](http://static.xuejinqu.com/qimg/eba/ebab949a5342c0f422f432776f7baf1c.png)
4. Christmas Day (圣诞节)
![](http://static.xuejinqu.com/qimg/9b8/9b894fe632091aa51d86d1753896caee.png)
5. Children's Day
![](http://static.xuejinqu.com/qimg/73e/73e92198f1cf56a0b85fcdd59be4f2cc.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)