[[QOrDeR]]
![](http://static.xuejinqu.com/qimg/ab6/ab6ae756e63a1511eec7f087eddef732.png)
A.put up a map | B.put up a picture |
![](http://static.xuejinqu.com/qimg/067/06701754d455d1ee2e2eb9aea9828892.png)
A.desk | B.bed |
![](http://static.xuejinqu.com/qimg/2fa/2fa2528425c00ea0c9cdc60394e516d4.png)
A.window | B.desk |
![](http://static.xuejinqu.com/qimg/f75/f757db0633b9404fa04de538305ca466.png)
A.chair | B.board |
![](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)