( )(1)Whose bed is two metres long?
![](http://static.xuejinqu.com/qimg/539/53935879594879105734420b13ebf65c.png)
( )(2)What has Darning got in his alhum?
![](http://static.xuejinqu.com/qimg/98c/98c1587e14f5b8592d57bd545702efea.png)
( )(3)When is Christmas?
![](http://static.xuejinqu.com/qimg/ce8/ce8371426125e198ea68572b7db6e3da.png)
( ) (4)What does Peter do on weekends
![](http://static.xuejinqu.com/qimg/36c/36c22740979ddf292a23589d5861c7b8.png)
( )(5)What do they often do together
![](http://static.xuejinqu.com/qimg/c38/c38e2b1272ca29c291ff609cecc99a1c.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)