A. visit the Great Wall B. go to the zoo C. the UN building D. go shopping E. ride on a bus |
1.
![](http://static.xuejinqu.com/qimg/de9/de912f8d89849f527b5051a22752a7c5.png)
2.
![](http://static.xuejinqu.com/qimg/84c/84c09d95ea451fcca0698fdeb7b8d2a9.png)
3.
![](http://static.xuejinqu.com/qimg/702/702598e6da10643e149d0738dacd8fe6.png)
4.
![](http://static.xuejinqu.com/qimg/2bc/2bc8a165cf21597e1248cf83f6fef639.png)
5.
![](http://static.xuejinqu.com/qimg/c38/c3876b3d6c2b912da9c4f65c8827f0f4.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)