1. How much are the_____?
![](http://static.xuejinqu.com/qimg/56c/56cdab2301dfcb145f5635babbd45915.png)
2. This is a_____.
![](http://static.xuejinqu.com/qimg/acd/acd519049b6637e94a67ba696e358102.png)
3. I want to buy a_____.
![](http://static.xuejinqu.com/qimg/42c/42ca99f90ac1692a5b36e2cfdbab810f.png)
4. I would like a_____ for myself.
![](http://static.xuejinqu.com/qimg/0eb/0eb7a51fada70265875209498b58bdc2.png)
5. These_____ look beautiful.
![](http://static.xuejinqu.com/qimg/383/3838b518412dce37b2aeb2cc3a473a1c.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)