(1)Look at my new T-shirt.
(2)It’s great.
(3)It’s nice.
(4)Look at my new skirt.
(5)What colour is my T-shirt.
(6)It’s ... red.
![](http://static.xuejinqu.com/qimg/941/9412c35d62541d798d83f52d10fbff33.png)
![](http://static.xuejinqu.com/qimg/d22/d22d365c3abb846a1a15525182998583.png)
![](http://static.xuejinqu.com/qimg/e0e/e0e988f9c55f4b4b8500cdf8d7194a29.png)
![](http://static.xuejinqu.com/qimg/a0e/a0ebf8aefd7ab68094407dfcbcb87ca3.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)