A.
![](http://static.xuejinqu.com/qimg/189/189a508fa128fc441798274916d5bd2f.png)
![](http://static.xuejinqu.com/qimg/f8b/f8b8b5a15314249b711bad2290d3dab9.png)
![](http://static.xuejinqu.com/qimg/42f/42fa78dcb41edaafc3703d0f08b677b0.png)
D.
![](http://static.xuejinqu.com/qimg/b3d/b3da8ae5abbc0223266d59756df81d07.png)
![](http://static.xuejinqu.com/qimg/dfd/dfd0671cf95f4d0f8680a5feb84a1b81.png)
1.I’m Amy. I’m nine years old. (
2.Have some bread. (
3.It’s a tiger. (
4.I have a pencil. (
5.—Let’s paint. —OK. (
![](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)