1.
![](http://static.xuejinqu.com/qimg/ccc/cccbad1e81887f61cb7e0fc0815201c0.png)
![](http://static.xuejinqu.com/qimg/806/8067b99521ad72a805f53aee26d2e0cd.png)
![](http://static.xuejinqu.com/qimg/02d/02d103005179bb1e4b9c21a6ec1d26de.png)
![](http://static.xuejinqu.com/qimg/02e/02e2d8e573036990759c05de4d33ff3e.png)
cold; warm; cool; hot
1. In this season, it’s
2. In this season, the weather is
3. In this season, it’s
4. In this season, it’s
![](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)