Welcome to the nature park! There is a forest in the nature park. We can see many trees and flowers there. They look very beautiful. There are many mountains behind the forest. There are many monkeys in the mountains. The monkeys are clever and funny. Near the mountains there is a lake. The lake is clean. There are many fish on the lake. The sky there is blue. Look ! There are many clouds (云朵)in the sky. The clouds are white. What a beautiful nature park it is!
1.Is this a beautiful nature park?
2.Can you see any trees and flowers in the nature park?
3.What's the monkey like?
4.What's in the sky?
5.What's near the mountains?
6.Are there any fish on the lake?
7.What colour are the clouds?

同类型试题

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


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

