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Hi, I’m Lisa. I’m from Kunming. Today is Sunday. It’s a nice day. We have no lessons(课). We are in a nature park. The park is beautiful, there are many trees and flowers in it. Look! Some girls are under the big tree. They are singing and dancing. John and Jim are sitting on the grass(草坪). They are drawing pictures. Lucy is eating bananas. Mike is watching the clouds(云). We are very happy.
1．It’s Saturday today. We have no class.2．We are in a beautiful zoo.
3．Some girls are singing and dancing under the big tree.
4．John and Jim are drawing pictures.
5．Now Lucy and Mike are watching 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
