A. —What can the boy do? —He can play basketball. B. —What would you like? —I’d like a fruit salad. C. —How many cakes can you see? —Four. D. —Do you like dogs? —No, I don’t. E. —Look at my toy cars. —Cool! |
1.
![](http://static.xuejinqu.com/qimg/d15/d15a5d4685e41613351f7ba52e9882dd.png)
2.
![](http://static.xuejinqu.com/qimg/71b/71b7d5aeafdff5f23810ba6ab25052a7.png)
3.
![](http://static.xuejinqu.com/qimg/142/142f9c37b4767a6cd94dfce9c61439c8.png)
![](http://static.xuejinqu.com/qimg/142/142f9c37b4767a6cd94dfce9c61439c8.png)
4.
![](http://static.xuejinqu.com/qimg/5e3/5e389f131c4c60123cc51bc6a30bc7eb.png)
5.
![](http://static.xuejinqu.com/qimg/cbf/cbf8537dff2a0b209ed43070b4075ae4.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)