an elephant our friends swim fast draw pictures his name
1.—Can you swim?
![](http://static.xuejinqu.com/qimg/d51/d51ca6650e57a6d7371a76b567cd134c.png)
—Yes, I can
2.—What can you do?
![](http://static.xuejinqu.com/qimg/b38/b38fb4f732eab86ab2b097979ea477f6.png)
—I can
3.—Who are they?
![](http://static.xuejinqu.com/qimg/c7d/c7df02c08422387a5b15f0c0c2bcabbd.png)
— They are
4.—What can he do?
![](http://static.xuejinqu.com/qimg/dd8/dd8e5cf33231f4d5c029bb937194bc6d.png)
—He can write
5.—Can you draw a mouse?
![](http://static.xuejinqu.com/qimg/82c/82c4ecc1d1f28254ffab612c7e3c4eaa.png)
—No, but I can draw
![](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)