(1) No , I’m not .
(2) What are you eating ?
(3) Guess.
(4) Are you eating an banana?
(5) Yes ,I like to eat an apple.
(6) Are you eating an apple?
排序:
![](http://static.xuejinqu.com/qimg/e18/e185f15cc45ebf38bf05e91a25b1dbb5.png)
![](http://static.xuejinqu.com/qimg/208/208ac7d8618de67f14d5bc2b0ca778c4.png)
![](http://static.xuejinqu.com/qimg/6f0/6f053783399233164e1e8a7f4d1d02db.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)