1. He's Mr Zhang. He's a teacher. ( )
![](http://static.xuejinqu.com/qimg/743/74399bb1954dff689df02033e2567489.png)
2. —How old is Tom? ( )
—He's nine.
![](http://static.xuejinqu.com/qimg/389/389d62e2d01f9e5678bc28962f0ab135.png)
3. Hello,I'm a frog. I can jump. ( )
![](http://static.xuejinqu.com/qimg/d42/d42f82d33b674f2ec8f917795f75d126.png)
4. She is Super girl. She can write. ( )
![](http://static.xuejinqu.com/qimg/9ae/9aef069a3f693a9b2cd057b0e199ef5c.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)