A. The boy jumped on the bed. Then he fell off the bed. B. I was in Shanghai last Sunday. C. I'm reading a book in my room. D. It was my birthday on Saturday. E. It was raining. I was walking in the rain. F. I printed this newspaper yesterday. G. I usually get up at seven o' clock. H. He cleaned the room yesterday. |
1.
![](http://static.xuejinqu.com/qimg/12d/12d09ade4cd793cac530a74e1747805a.png)
2.
![](http://static.xuejinqu.com/qimg/f14/f14d98d33ffa0045fe41e85ea52073a1.png)
3.
![](http://static.xuejinqu.com/qimg/17c/17c8928bbd223d8e4d25ec7a5901dee2.png)
4.
![](http://static.xuejinqu.com/qimg/d49/d498ed972d878ef2c2ebee5e2bd03192.png)
5.
![](http://static.xuejinqu.com/qimg/2bc/2bc1cd9091233f28d256301863f02e83.png)
6.
![](http://static.xuejinqu.com/qimg/080/08010fdf814a4482d68f7587731f3b04.png)
7.
![](http://static.xuejinqu.com/qimg/19f/19f3c6db562bece8f2fd244e0d6c2401.png)
8.
![](http://static.xuejinqu.com/qimg/12f/12f8c823d581b4f8f181ce6de7d3f7fc.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)