1.It’s cold and snowy in Sydney.
![](http://static.xuejinqu.com/qimg/f78/f78673cb4438cea6b287e416e0f61a75.png)
2.Go to the teachers’ office. Say hello.
![](http://static.xuejinqu.com/qimg/0a2/0a26f8b04668c02f0215dc4be1a2422a.png)
3.I like rice. It is cheap and nice.
![](http://static.xuejinqu.com/qimg/223/22369f669acff95228da9aad6199e6a7.png)
4.It’s nine o’clock. It’s time to go to bed.
![](http://static.xuejinqu.com/qimg/0af/0af1075e68f7050efdaa2d240c7646a6.png)
5.There are many ducks on my grandma’s farm.
![](http://static.xuejinqu.com/qimg/c04/c042a549e2b8853b2ef15fc0e5c6d7ee.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)