A. Sally is standing between the two girls.
B. I need a pair of shoes.
C. There are five rings on the flag.
D. China held the 29th Olympic Games in Beijing.
E. They are playing Taichi.
1.
![](http://static.xuejinqu.com/qimg/ea8/ea88545578b14cad053f5f4df7feba4d.png)
2.
![](http://static.xuejinqu.com/qimg/4b5/4b5ebaa860ce255e3ee2fd952b52789b.png)
3.
![](http://static.xuejinqu.com/qimg/dee/dee1bafc1bdce4df9901f65c40b3376e.png)
4.
![](http://static.xuejinqu.com/qimg/ee7/ee70e062497657ada3f9c1bb5c344936.png)
5.
![](http://static.xuejinqu.com/qimg/fef/fef9382b70ca51571e885440829deabe.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)