[[QOrDeR]]
![](http://static.xuejinqu.com/qimg/991/9910e57f6ba6dc5f41d57a367059b72a.png)
A.She wants to go to Guilin tomorrow. |
B.He wants to go to Beijing this weekend. |
![](http://static.xuejinqu.com/qimg/3f8/3f8498e219e04a62cf6ca0c65aeed735.png)
A.There are people from different countries. |
B.There are flags from all around the world. |
![](http://static.xuejinqu.com/qimg/4b8/4b8ecc2c5d68fe7782f6779121d11bcc.png)
A.I want to take a photo of the lake. |
B.I want to go swimming in the lake. |
![](http://static.xuejinqu.com/qimg/ac1/ac1ebb96f152bbf367b886371ecc4f38.png)
A.What a big building! |
B.What a beautiful present! |
![](http://static.xuejinqu.com/qimg/455/4555f63c68760c588a42aafb4b0a7cc5.png)
A.Here's a picture of China. |
B.Here's the flag of China. |
![](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)