例: She is listening to music.
![](http://static.xuejinqu.com/qimg/7ff/7ffe43892a1428f4ee2a5d50563d3445.png)
1.
![](http://static.xuejinqu.com/qimg/c2e/c2e797c62f81be4fc84acf7043138059.png)
2.
![](http://static.xuejinqu.com/qimg/15e/15e3ada43684000350f2af1c41141c01.png)
3.
![](http://static.xuejinqu.com/qimg/035/03595e33a2113deff2cd646c0640cede.png)
4.
![](http://static.xuejinqu.com/qimg/a81/a8145a2e297f50044b0f395f9820dbc5.png)
5.
![](http://static.xuejinqu.com/qimg/c54/c54bcf1070dd5e342afe64b86194c7ce.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)