1.—How old are you? (
—I’m ten.
![](http://static.xuejinqu.com/qimg/7ae/7ae86494d6f1acc2eb6bc0cd9b179780.png)
2.—What’s this? (
—It’s a pig.
![](http://static.xuejinqu.com/qimg/40a/40a1ea92690e7a0d7e96f97fb462d15e.png)
3.It is bear.
![](http://static.xuejinqu.com/qimg/1b2/1b258e5a744bd25a3c5c5cf01968ca44.png)
4.I’m a bee.
![](http://static.xuejinqu.com/qimg/b85/b8527258e23ae37d50fb35698251a321.png)
5.--Good morning!
![](http://static.xuejinqu.com/qimg/23a/23a813f88bc83c82eb62547ce50273aa.png)
--Good morning!
![](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)