.读一读,填上适当的句子完成对话。
A. Don't make fires.
B. The wind blows strongly.
C. We are sorry.
D. Some children are flying kites.
E. Some children are making a fire.
F. Look at the sign.
A. Don't make fires.
B. The wind blows strongly.
C. We are sorry.
D. Some children are flying kites.
E. Some children are making a fire.
F. Look at the sign.
Peter and Jack are taking a walk in the forest.
Peter: Today is a fine day.
Jack: Yes, and it is very dry. ________ It is easy to start a fire in the forest.
Peter: Look. ________ Maybe they want to have a barbecue.
Jack: ________
Children: Why not?
Peter: ________ It means: "No fires". It is dangerous.
Children: ________
Jack: Then you can fly the kites. Have a good time.
Children: Thank you.
![](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)