1.
![](http://static.xuejinqu.com/qimg/ef3/ef344e1918a28d1680b7846072ee6554.png)
A.man | B.woman |
![](http://static.xuejinqu.com/qimg/667/667347a433a964470009f029215d71d0.png)
A.boy | B.girl |
![](http://static.xuejinqu.com/qimg/801/8016f7a085e11a1e30a7f6188cfe92e9.png)
A.computer | B.chair |
![](http://static.xuejinqu.com/qimg/971/9718f34836151edf78836296eeb3e295.png)
A.bed | B.desk |
![](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)