1.
![](http://static.xuejinqu.com/qimg/813/813079112b298d12b0947f597e942171.png)
A.banana | B.orange |
![](http://static.xuejinqu.com/qimg/37a/37a2b90f9293ff4b2fecc91839409108.png)
A.apple | B.tomato |
![](http://static.xuejinqu.com/qimg/0ae/0aef3573c8e60ebc3c056d013cc5a11e.png)
A.milk | B.milkshake |
![](http://static.xuejinqu.com/qimg/2f6/2f6ac0b4e596c8eea65dfae08b2df477.png)
A.fruit | B.sweets |
![](http://static.xuejinqu.com/qimg/cb2/cb27e77aa85bf899fdb83244354ca96f.png)
A.orange | B.onion |
![](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)