left, straight, right, up, school, hill, supermarket
1. A: Where's the train?
B: It's
![](http://static.xuejinqu.com/qimg/21e/21e3af16fe4bb7e242c5930c20db0462.png)
2. A: Excuse me. Where's the
![](http://static.xuejinqu.com/qimg/b01/b01e4e96ff5afb781c2ef261120d564f.png)
B: Go
![](http://static.xuejinqu.com/qimg/193/1933230085d5be35bf1b14edb19fcd1d.png)
![](http://static.xuejinqu.com/qimg/96e/96e329b4528c36d958327c1e52b0e793.png)
3. A: Where's the
![](http://static.xuejinqu.com/qimg/bee/beefd40e96f681b63edd5629b9fc6533.png)
B: Turn
![](http://static.xuejinqu.com/qimg/e3f/e3f251264d663c6a0b8c3f813124f49f.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)