1.
![](http://static.xuejinqu.com/qimg/474/4740f5e0ba96411d8a68c899131c4df6.png)
A.snow | B.rain |
![](http://static.xuejinqu.com/qimg/26c/26c7641750836614a6ff522e35613a3e.png)
A.cap | B.cat |
![](http://static.xuejinqu.com/qimg/859/8593f74690c9afa79cb22f24a497a7b6.png)
A.hot | B.cold |
![](http://static.xuejinqu.com/qimg/b28/b289f7868dcee8604d2c0e4f79a528f1.png)
A.street | B.ski |
![](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)