1.Miss Liu is busy in her o
![](http://static.xuejinqu.com/qimg/2c0/2c044b84964b7e4646083111353dc5f6.png)
2.I have a brother. He has a pair of brown s
![](http://static.xuejinqu.com/qimg/70c/70c0046a486f14aa7619045905cf3d86.png)
3.Tom is a f
![](http://static.xuejinqu.com/qimg/cf3/cf3d78c58f6c686397d2f94b0c0ce81f.png)
4.Look, the rabbit can run and j
![](http://static.xuejinqu.com/qimg/697/697c9962aa2ae2db66910119fdfae010.png)
5.Mum needs three p
![](http://static.xuejinqu.com/qimg/65b/65b288cc4c8485fe4a2ac780515d4fd6.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)