()1.
![](http://static.xuejinqu.com/qimg/e31/e315f74b9dff906280f8bd41f740e2e6.png)
A. Sunday B. Saturday
()2.
![](http://static.xuejinqu.com/qimg/11a/11a6e7fd48a8c1e75d3af684fd2de722.png)
A. the Great Wall B. theme park
()3.
![](http://static.xuejinqu.com/qimg/9b0/9b03d803dc7deeea1b2b35fe3f63544f.png)
A. book store B. shoe store
()4.
![](http://static.xuejinqu.com/qimg/265/26504873994b34c722a3abee6f9e171d.png)
A. by bike B. on foot
![](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)