A. play basketball B. write an email C. do the high jump D. do the long jump E. read a book |
1.
![](http://static.xuejinqu.com/qimg/d24/d24df2e71b255d62f9586d023fcb08f0.png)
2.
![](http://static.xuejinqu.com/qimg/774/774fa877a74d84885e8028d7c267cb54.png)
3.
![](http://static.xuejinqu.com/qimg/8e4/8e40d5ce1dd2890ad946d763fa758c94.png)
4.
![](http://static.xuejinqu.com/qimg/f68/f68940b8caea3a6cf39d1719075382ac.png)
5.
![](http://static.xuejinqu.com/qimg/9b3/9b3db1a3c8a43fec6c3c5adc5ce0e249.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)