1.We have an English class this morning. (
![](http://static.xuejinqu.com/qimg/bd5/bd588fe558c465585fda159068d95628.png)
2.It's time for lunch. (
![](http://static.xuejinqu.com/qimg/52f/52f7bdc2cd8b32220214cae53b247fed.png)
3.Welcome to my home! (
![](http://static.xuejinqu.com/qimg/b91/b91231199604158e5b2d75ac64155ddf.png)
4.—Is this the music room? (
—Yes, it is.
![](http://static.xuejinqu.com/qimg/ffc/ffcf05878054b4860def9c9ca41e298c.png)
5.—Do you have a gym? (
—Yes, we do.
![](http://static.xuejinqu.com/qimg/ab1/ab1e327ee2533c2f6b6f8f2f3be08569.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)