![](http://static.xuejinqu.com/qimg/64f/64fda11440aeca81fc61875334a71627.png)
2. Look at the trees. They’re green. b.
![](http://static.xuejinqu.com/qimg/b29/b29b72ea5f9509ccfab3c8038241d82e.png)
3. Look at the kite. It’s green. c.
![](http://static.xuejinqu.com/qimg/b57/b57d80e419b56bd9f6925ee82fa80c59.png)
4. Look at the flowers. They’re beautiful. d.
![](http://static.xuejinqu.com/qimg/847/847a02b6adf0d13b47e368304607a650.png)
5. Look at the birds. They’re happy. e.
![](http://static.xuejinqu.com/qimg/ffb/ffb826af051ae63c493af71fa4993cef.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)