1.
![](http://static.xuejinqu.com/qimg/164/164e69eafadee408bc3a58cd390a6c40.png)
A.ball | B.tall |
![](http://static.xuejinqu.com/qimg/e18/e183c2049a23b6bb46ae60c0f5ff4dd5.png)
A.cat | B.car |
![](http://static.xuejinqu.com/qimg/fcf/fcf11caf3963efd7648c351177e6479e.png)
A.car | B.cap |
![](http://static.xuejinqu.com/qimg/73d/73d0c7ac106b2fea47dbc7cce09be722.png)
A.cap | B.map |
![](http://static.xuejinqu.com/qimg/f15/f154002c716d7d811d1bb14f551c9ebd.png)
A.boat | B.ball |
![](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)